Bump httpclient5 from 5.5.2 to 5.6.4 to fix CVE-2026-71290

pom.xml

@@ -72,11 +72,12 @@
         <commons-lang3.version>3.18.0</commons-lang3.version> <!-- to fix CVE-2025-48924. TODO: remove when fixed in spring-boot-dependencies -->
         <netty.version>4.1.137.Final</netty.version> <!-- to fix CVE-2026-44891, CVE-2026-55831, CVE-2026-55833, CVE-2026-55851, CVE-2026-56745, CVE-2026-56817, CVE-2026-56819, CVE-2026-56820, CVE-2026-56821, CVE-2026-56822, CVE-2026-59901, CVE-2026-59902, CVE-2026-59903, CVE-2026-59920, CVE-2026-62243, CVE-2026-73507, CVE-2026-75595 (supersedes earlier netty CVE pins; also retains the 4.1.134 MQTT decoder regression fix). TODO: remove when fixed in spring-boot-dependencies -->
         <tomcat.version>10.1.59</tomcat.version> <!-- to fix CVE-2026-53434, CVE-2026-55955, CVE-2026-65182, CVE-2026-65905 and CVE-2026-68525 (10.1.58 was never released; 10.1.59 is the release carrying the fixes). Pinned via the tomcat-embed overrides below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
-        <httpcore5.version>5.4.3</httpcore5.version> <!-- to fix CVE-2026-54399 and CVE-2026-54428 (no fix exists on the 5.3.x line; httpclient5 5.5.2 from the Spring Boot BOM is compatible with httpcore5 5.4.x). Pinned via the httpcore5 overrides below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
+        <httpcore5.version>5.4.3</httpcore5.version> <!-- to fix CVE-2026-54399 and CVE-2026-54428 (no fix exists on the 5.3.x line; the httpclient5 5.6.4 pin below requires httpcore5 5.4.3). Pinned via the httpcore5 overrides below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
         <logback.version>1.5.38</logback.version> <!-- to fix CVE-2026-13006 (1.5.36 as reported by the scanner is still vulnerable; 1.5.37 removed Janino conditional processing entirely, 1.5.38 adds a HardenedObjectInputStream fix). Pinned via the logback overrides below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
         <jackson-bom.version>2.21.5</jackson-bom.version> <!-- to fix CVE-2026-59889. Pinned via the jackson-bom import below: spring-boot-dependencies re-imports jackson-bom with its own placeholder, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
         <postgresql.version>42.7.12</postgresql.version> <!-- to fix CVE-2026-54291. Pinned via the postgresql override below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
         <amqp-client.version>5.33.1</amqp-client.version> <!-- to fix CVE-2026-63337, CVE-2026-69219 and CVE-2026-69220. Pinned via the amqp-client override below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
+        <httpclient5.version>5.6.4</httpclient5.version> <!-- to fix CVE-2026-71290. Pinned via the httpclient5 overrides below: spring-boot-dependencies is imported as a BOM, so this property alone would not win. TODO: remove when fixed in spring-boot-dependencies -->
         <javax.xml.bind-api.version>2.4.0-b180830.0359</javax.xml.bind-api.version>
         <jjwt.version>0.12.5</jjwt.version>
         <rat.version>0.10</rat.version> <!-- unused -->
@@ -1085,6 +1086,23 @@
                 <version>${amqp-client.version}</version>
             </dependency>
             <!-- End of amqp-client version override -->
+            <!-- Temporary httpclient5 version override -->
+            <dependency>
+                <groupId>org.apache.httpcomponents.client5</groupId>
+                <artifactId>httpclient5</artifactId>
+                <version>${httpclient5.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.httpcomponents.client5</groupId>
+                <artifactId>httpclient5-cache</artifactId>
+                <version>${httpclient5.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.httpcomponents.client5</groupId>
+                <artifactId>httpclient5-fluent</artifactId>
+                <version>${httpclient5.version}</version>
+            </dependency>
+            <!-- End of httpclient5 version override -->
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>