diff --git a/application/src/main/java/org/thingsboard/server/service/ai/AiChatModelServiceImpl.java b/application/src/main/java/org/thingsboard/server/service/ai/AiChatModelServiceImpl.java
index 212d363280..15be6f3734 100644
--- a/application/src/main/java/org/thingsboard/server/service/ai/AiChatModelServiceImpl.java
+++ b/application/src/main/java/org/thingsboard/server/service/ai/AiChatModelServiceImpl.java
@@ -17,6 +17,7 @@ package org.thingsboard.server.service.ai;
 
 import com.fasterxml.jackson.core.io.JsonStringEncoder;
 import com.google.common.util.concurrent.FluentFuture;
+import com.google.common.util.concurrent.Futures;
 import dev.langchain4j.data.message.ChatMessage;
 import dev.langchain4j.data.message.Content;
 import dev.langchain4j.data.message.TextContent;
@@ -42,7 +43,12 @@ class AiChatModelServiceImpl implements AiChatModelService {
 
     @Override
     public <C extends AiChatModelConfig<C>> FluentFuture<ChatResponse> sendChatRequestAsync(AiChatModelConfig<C> chatModelConfig, ChatRequest chatRequest) {
-        ChatModel langChainChatModel = chatModelConfig.configure(chatModelConfigurer);
+        ChatModel langChainChatModel;
+        try {
+            langChainChatModel = chatModelConfig.configure(chatModelConfigurer);
+        } catch (Throwable t) {
+            return FluentFuture.from(Futures.immediateFailedFuture(t));
+        }
         if (langChainChatModel.provider() == ModelProvider.GITHUB_MODELS) {
             chatRequest = prepareGithubChatRequest(chatRequest);
         }
diff --git a/application/src/main/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImpl.java b/application/src/main/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImpl.java
index 103617c890..8b569f052c 100644
--- a/application/src/main/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImpl.java
+++ b/application/src/main/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImpl.java
@@ -37,6 +37,7 @@ import dev.langchain4j.model.openai.OpenAiChatModel;
 import dev.langchain4j.model.vertexai.gemini.VertexAiGeminiChatModel;
 import org.springframework.http.HttpHeaders;
 import org.springframework.stereotype.Component;
+import org.thingsboard.common.util.SsrfProtectionValidator;
 import org.thingsboard.server.common.data.ai.model.chat.AmazonBedrockChatModelConfig;
 import org.thingsboard.server.common.data.ai.model.chat.AnthropicChatModelConfig;
 import org.thingsboard.server.common.data.ai.model.chat.AzureOpenAiChatModelConfig;
@@ -58,6 +59,7 @@ import software.amazon.awssdk.services.bedrockruntime.BedrockRuntimeClient;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
+import java.net.URI;
 import java.nio.charset.StandardCharsets;
 import java.time.Duration;
 import java.util.Base64;
@@ -69,6 +71,7 @@ class Langchain4jChatModelConfigurerImpl implements Langchain4jChatModelConfigur
 
     @Override
     public ChatModel configureChatModel(OpenAiChatModelConfig chatModelConfig) {
+        validateBaseUrl(chatModelConfig.providerConfig().baseUrl());
         return OpenAiChatModel.builder()
                 .baseUrl(chatModelConfig.providerConfig().baseUrl())
                 .apiKey(chatModelConfig.providerConfig().apiKey())
@@ -86,6 +89,7 @@ class Langchain4jChatModelConfigurerImpl implements Langchain4jChatModelConfigur
     @Override
     public ChatModel configureChatModel(AzureOpenAiChatModelConfig chatModelConfig) {
         AzureOpenAiProviderConfig providerConfig = chatModelConfig.providerConfig();
+        validateBaseUrl(providerConfig.endpoint());
         return AzureOpenAiChatModel.builder()
                 .endpoint(providerConfig.endpoint())
                 .serviceVersion(providerConfig.serviceVersion())
@@ -273,6 +277,7 @@ class Langchain4jChatModelConfigurerImpl implements Langchain4jChatModelConfigur
 
     @Override
     public ChatModel configureChatModel(OllamaChatModelConfig chatModelConfig) {
+        validateBaseUrl(chatModelConfig.providerConfig().baseUrl());
         var builder = OllamaChatModel.builder()
                 .baseUrl(chatModelConfig.providerConfig().baseUrl())
                 .modelName(chatModelConfig.modelId())
@@ -300,6 +305,10 @@ class Langchain4jChatModelConfigurerImpl implements Langchain4jChatModelConfigur
         return builder.build();
     }
 
+    private static void validateBaseUrl(String url) {
+        SsrfProtectionValidator.validateUri(URI.create(url));
+    }
+
     private static Duration toDuration(Integer timeoutSeconds) {
         return timeoutSeconds != null ? Duration.ofSeconds(timeoutSeconds) : null;
     }
diff --git a/application/src/test/java/org/thingsboard/server/controller/AiModelControllerTest.java b/application/src/test/java/org/thingsboard/server/controller/AiModelControllerTest.java
index 099ef05752..100f44d4b7 100644
--- a/application/src/test/java/org/thingsboard/server/controller/AiModelControllerTest.java
+++ b/application/src/test/java/org/thingsboard/server/controller/AiModelControllerTest.java
@@ -19,8 +19,13 @@ import com.datastax.oss.driver.api.core.uuid.Uuids;
 import com.fasterxml.jackson.core.type.TypeReference;
 import org.junit.Test;
 import org.springframework.test.web.servlet.ResultActions;
+import org.thingsboard.common.util.SsrfProtectionValidator;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.ai.AiModel;
+import org.thingsboard.server.common.data.ai.dto.TbChatRequest;
+import org.thingsboard.server.common.data.ai.dto.TbChatResponse;
+import org.thingsboard.server.common.data.ai.dto.TbContent;
+import org.thingsboard.server.common.data.ai.dto.TbUserMessage;
 import org.thingsboard.server.common.data.ai.model.chat.AnthropicChatModelConfig;
 import org.thingsboard.server.common.data.ai.model.chat.GoogleAiGeminiChatModelConfig;
 import org.thingsboard.server.common.data.ai.model.chat.OpenAiChatModelConfig;
@@ -34,6 +39,8 @@ import org.thingsboard.server.common.data.page.PageLink;
 import org.thingsboard.server.common.data.page.SortOrder;
 import org.thingsboard.server.dao.service.DaoSqlTest;
 
+import java.util.List;
+
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
@@ -136,6 +143,68 @@ public class AiModelControllerTest extends AbstractControllerTest {
         assertThat(updatedModel.getExternalId()).isNull();
     }
 
+    @Test
+    public void saveAiModel_whenBaseUrlIsPrivateIp_shouldReturnBadRequest() throws Exception {
+        // GIVEN
+        loginTenantAdmin();
+        SsrfProtectionValidator.setEnabled(true);
+
+        try {
+            var modelConfig = OpenAiChatModelConfig.builder()
+                    .providerConfig(OpenAiProviderConfig.builder()
+                            .baseUrl("http://172.17.0.1:22/")
+                            .apiKey("test-api-key")
+                            .build())
+                    .modelId("gpt-4o")
+                    .build();
+
+            AiModel model = AiModel.builder()
+                    .tenantId(tenantId)
+                    .name("SSRF test model")
+                    .configuration(modelConfig)
+                    .build();
+
+            // WHEN
+            ResultActions result = doPost("/api/ai/model", model);
+
+            // THEN
+            result.andExpect(status().isBadRequest());
+        } finally {
+            SsrfProtectionValidator.setEnabled(false);
+        }
+    }
+
+    @Test
+    public void sendChatRequest_whenBaseUrlBlockedAtRuntime_shouldReturnFailureEnvelope() throws Exception {
+        // GIVEN
+        loginTenantAdmin();
+        SsrfProtectionValidator.setEnabled(true);
+
+        try {
+            var modelConfig = OpenAiChatModelConfig.builder()
+                    .providerConfig(OpenAiProviderConfig.builder()
+                            .baseUrl("http://10.0.0.1:8080/")
+                            .apiKey("test-api-key")
+                            .build())
+                    .modelId("gpt-4o")
+                    .build();
+
+            var chatRequest = new TbChatRequest(
+                    null,
+                    new TbUserMessage(List.of(new TbContent.TbTextContent("hi"))),
+                    modelConfig);
+
+            // WHEN
+            TbChatResponse response = doPostAsync("/api/ai/model/chat", chatRequest, TbChatResponse.class, status().isOk());
+
+            // THEN
+            assertThat(response).isInstanceOf(TbChatResponse.Failure.class);
+            assertThat(((TbChatResponse.Failure) response).errorDetails()).contains("URI is invalid");
+        } finally {
+            SsrfProtectionValidator.setEnabled(false);
+        }
+    }
+
     /* --- Get by ID API tests --- */
 
     @Test
diff --git a/application/src/test/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImplTest.java b/application/src/test/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImplTest.java
index 014e3f1b64..fb9807a2a8 100644
--- a/application/src/test/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImplTest.java
+++ b/application/src/test/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImplTest.java
@@ -17,13 +17,25 @@ package org.thingsboard.server.service.ai;
 
 import com.google.cloud.vertexai.api.GenerationConfig;
 import dev.langchain4j.model.chat.ChatModel;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.parallel.ResourceLock;
 import org.springframework.test.util.ReflectionTestUtils;
+import org.thingsboard.common.util.SsrfProtectionValidator;
+import org.thingsboard.server.common.data.ai.model.chat.AzureOpenAiChatModelConfig;
 import org.thingsboard.server.common.data.ai.model.chat.GoogleVertexAiGeminiChatModelConfig;
+import org.thingsboard.server.common.data.ai.model.chat.OllamaChatModelConfig;
+import org.thingsboard.server.common.data.ai.model.chat.OpenAiChatModelConfig;
+import org.thingsboard.server.common.data.ai.provider.AzureOpenAiProviderConfig;
 import org.thingsboard.server.common.data.ai.provider.GoogleVertexAiGeminiProviderConfig;
+import org.thingsboard.server.common.data.ai.provider.OllamaProviderConfig;
+import org.thingsboard.server.common.data.ai.provider.OpenAiProviderConfig;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
+@ResourceLock("SsrfProtectionValidator")
 class Langchain4jChatModelConfigurerImplTest {
 
     private static final String TEST_SERVICE_ACCOUNT_KEY = """
@@ -41,6 +53,72 @@ class Langchain4jChatModelConfigurerImplTest {
 
     private final Langchain4jChatModelConfigurerImpl configurer = new Langchain4jChatModelConfigurerImpl();
 
+    @BeforeEach
+    void enableSsrfProtection() {
+        SsrfProtectionValidator.setEnabled(true);
+    }
+
+    @AfterEach
+    void disableSsrfProtection() {
+        SsrfProtectionValidator.setEnabled(false);
+    }
+
+    @Test
+    void configureChatModel_openAi_withPrivateIp_shouldThrow() {
+        var config = OpenAiChatModelConfig.builder()
+                .providerConfig(OpenAiProviderConfig.builder()
+                        .baseUrl("http://172.17.0.1:8080/")
+                        .apiKey("test")
+                        .build())
+                .modelId("gpt-4o")
+                .build();
+
+        assertThatThrownBy(() -> configurer.configureChatModel(config))
+                .isInstanceOf(RuntimeException.class)
+                .hasMessageContaining("URI is invalid");
+    }
+
+    @Test
+    void configureChatModel_openAi_withLocalhostUrl_shouldThrow() {
+        var config = OpenAiChatModelConfig.builder()
+                .providerConfig(OpenAiProviderConfig.builder()
+                        .baseUrl("http://localhost:22/")
+                        .apiKey("test")
+                        .build())
+                .modelId("gpt-4o")
+                .build();
+
+        assertThatThrownBy(() -> configurer.configureChatModel(config))
+                .isInstanceOf(RuntimeException.class)
+                .hasMessageContaining("URI is invalid");
+    }
+
+    @Test
+    void configureChatModel_azureOpenAi_withPrivateIp_shouldThrow() {
+        var config = AzureOpenAiChatModelConfig.builder()
+                .providerConfig(new AzureOpenAiProviderConfig(
+                        "http://10.0.0.1:8080/", null, "test-key"))
+                .modelId("gpt-4o")
+                .build();
+
+        assertThatThrownBy(() -> configurer.configureChatModel(config))
+                .isInstanceOf(RuntimeException.class)
+                .hasMessageContaining("URI is invalid");
+    }
+
+    @Test
+    void configureChatModel_ollama_withPrivateIp_shouldThrow() {
+        var config = OllamaChatModelConfig.builder()
+                .providerConfig(new OllamaProviderConfig(
+                        "http://192.168.1.100:11434/", new OllamaProviderConfig.OllamaAuth.None()))
+                .modelId("llama3")
+                .build();
+
+        assertThatThrownBy(() -> configurer.configureChatModel(config))
+                .isInstanceOf(RuntimeException.class)
+                .hasMessageContaining("URI is invalid");
+    }
+
     @Test
     void configureChatModel_vertexAi_setsFrequencyAndPresencePenaltyFromCorrectConfigFields() {
         // GIVEN
diff --git a/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/NotificationRuleRecipientsConfig.java b/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/NotificationRuleRecipientsConfig.java
index 0475a9a02d..9692175876 100644
--- a/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/NotificationRuleRecipientsConfig.java
+++ b/common/data/src/main/java/org/thingsboard/server/common/data/notification/rule/NotificationRuleRecipientsConfig.java
@@ -48,7 +48,7 @@ import java.util.UUID;
                 @DiscriminatorMapping(value = "RESOURCES_SHORTAGE", schema = DefaultNotificationRuleRecipientsConfig.ResourceShortageRecipientsConfig.class)
         })
 @JsonIgnoreProperties(ignoreUnknown = true)
-@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "triggerType", include = JsonTypeInfo.As.EXISTING_PROPERTY)
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "triggerType", include = JsonTypeInfo.As.EXISTING_PROPERTY, defaultImpl = DefaultNotificationRuleRecipientsConfig.class)
 @JsonSubTypes({
         @Type(name = "ALARM", value = EscalatedNotificationRuleRecipientsConfig.class),
         @Type(name = "ENTITY_ACTION", value = DefaultNotificationRuleRecipientsConfig.EntityActionRecipientsConfig.class),
diff --git a/common/data/src/main/java/org/thingsboard/server/common/data/sync/ie/EntityExportData.java b/common/data/src/main/java/org/thingsboard/server/common/data/sync/ie/EntityExportData.java
index 3e04074236..18358c8d68 100644
--- a/common/data/src/main/java/org/thingsboard/server/common/data/sync/ie/EntityExportData.java
+++ b/common/data/src/main/java/org/thingsboard/server/common/data/sync/ie/EntityExportData.java
@@ -50,7 +50,7 @@ import java.util.List;
 import java.util.Map;
 
 @JsonIgnoreProperties(ignoreUnknown = true)
-@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "entityType", include = As.EXISTING_PROPERTY, visible = true)
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "entityType", include = As.EXISTING_PROPERTY, visible = true, defaultImpl = EntityExportData.class)
 @JsonSubTypes({
         @Type(name = "DEVICE", value = DeviceExportData.class),
         @Type(name = "RULE_CHAIN", value = RuleChainExportData.class),
diff --git a/dao/src/main/java/org/thingsboard/server/dao/service/validator/AiModelDataValidator.java b/dao/src/main/java/org/thingsboard/server/dao/service/validator/AiModelDataValidator.java
index b955bed043..14e1300856 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/service/validator/AiModelDataValidator.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/service/validator/AiModelDataValidator.java
@@ -17,13 +17,19 @@ package org.thingsboard.server.dao.service.validator;
 
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
+import org.thingsboard.common.util.SsrfProtectionValidator;
 import org.thingsboard.server.common.data.ai.AiModel;
+import org.thingsboard.server.common.data.ai.provider.AiProviderConfig;
+import org.thingsboard.server.common.data.ai.provider.AzureOpenAiProviderConfig;
+import org.thingsboard.server.common.data.ai.provider.OllamaProviderConfig;
+import org.thingsboard.server.common.data.ai.provider.OpenAiProviderConfig;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.dao.ai.AiModelDao;
 import org.thingsboard.server.exception.DataValidationException;
 import org.thingsboard.server.dao.service.DataValidator;
 import org.thingsboard.server.dao.tenant.TenantService;
 
+import java.net.URI;
 import java.util.Optional;
 
 @Component
@@ -64,6 +70,26 @@ class AiModelDataValidator extends DataValidator<AiModel> {
         if (!tenantService.tenantExists(tenantId)) {
             throw new DataValidationException("AI model reference a non-existent tenant!");
         }
+
+        // provider URL SSRF validation
+        if (model.getConfiguration() != null) {
+            AiProviderConfig providerConfig = model.getConfiguration().providerConfig();
+            String url = null;
+            if (providerConfig instanceof OpenAiProviderConfig c) {
+                url = c.baseUrl();
+            } else if (providerConfig instanceof AzureOpenAiProviderConfig c) {
+                url = c.endpoint();
+            } else if (providerConfig instanceof OllamaProviderConfig c) {
+                url = c.baseUrl();
+            }
+            if (url != null) {
+                try {
+                    SsrfProtectionValidator.validateUri(URI.create(url));
+                } catch (Exception e) {
+                    throw new DataValidationException("AI model provider URL is not allowed: " + e.getMessage());
+                }
+            }
+        }
     }
 
 }
diff --git a/msa/js-executor/pom.xml b/msa/js-executor/pom.xml
index 66a629f550..6b3ed4ab8f 100644
--- a/msa/js-executor/pom.xml
+++ b/msa/js-executor/pom.xml
@@ -52,6 +52,29 @@
             <type>exe</type>
             <scope>provided</scope>
         </dependency>
+        <!--
+            Reactor-only ordering dep (NOT a real classpath dependency).
+            Forces `mvn -T<n>` to serialize this module after web-ui so that
+            no two `yarn install` / `yarn run pkg` invocations can overlap on
+            the same agent. Concurrent yarn 1.x processes share ~/.cache/yarn
+            and have intermittently produced `tsc: not found` failures during
+            yarn pkg (incomplete typescript extraction in node_modules).
+            The chain is: ui-ngx -> msa/web-ui -> msa/js-executor.
+            type=pom + provided + wildcard exclusions keep nothing on the classpath.
+        -->
+        <dependency>
+            <groupId>org.thingsboard.msa</groupId>
+            <artifactId>web-ui</artifactId>
+            <version>${project.version}</version>
+            <type>pom</type>
+            <scope>provided</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>*</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
     </dependencies>
 
     <build>
@@ -90,7 +113,7 @@
                         </goals>
                         <phase>compile</phase>
                         <configuration>
-                            <arguments>run pkg</arguments>
+                            <arguments>--mutex network run pkg</arguments>
                         </configuration>
                     </execution>
                 </executions>
diff --git a/msa/pom.xml b/msa/pom.xml
index f852773b8c..4e09ad0e0c 100644
--- a/msa/pom.xml
+++ b/msa/pom.xml
@@ -44,7 +44,16 @@
     </properties>
 
     <modules>
-        <!--Modules order is important to speedup parallel build and avoid yarn pgk parallel execution-->
+        <!--
+            Module order below is informational only. Yarn-using modules
+            (web-ui, js-executor) are serialized via reactor-only
+            <dependency> entries in their own poms, forming the chain
+            ui-ngx -> web-ui -> js-executor. This prevents
+            concurrent yarn install / yarn run pkg invocations under `mvn -T<n>`,
+            which previously caused intermittent `tsc: not found` failures
+            (incomplete typescript extraction in node_modules from racing
+            yarn 1.x processes against the shared ~/.cache/yarn).
+        -->
         <module>tb</module>
         <module>web-ui</module>
         <module>vc-executor</module>
diff --git a/msa/web-ui/pom.xml b/msa/web-ui/pom.xml
index 4ad7aef8c8..fb0eb2c066 100644
--- a/msa/web-ui/pom.xml
+++ b/msa/web-ui/pom.xml
@@ -99,7 +99,7 @@
                         </goals>
                         <phase>compile</phase>
                         <configuration>
-                            <arguments>run pkg</arguments>
+                            <arguments>--mutex network run pkg</arguments>
                         </configuration>
                     </execution>
                 </executions>
diff --git a/ui-ngx/pom.xml b/ui-ngx/pom.xml
index 03416b1c32..8e16f17653 100644
--- a/ui-ngx/pom.xml
+++ b/ui-ngx/pom.xml
@@ -106,7 +106,7 @@
                                     <goal>yarn</goal>
                                 </goals>
                                 <configuration>
-                                    <arguments>run build:prod</arguments>
+                                    <arguments>--mutex network run build:prod</arguments>
                                 </configuration>
                             </execution>
                         </executions>