diff --git a/instrumentation/logback/logback-appender-1.0/library/build.gradle.kts b/instrumentation/logback/logback-appender-1.0/library/build.gradle.kts
index aa24d429681f..b5fa1af6d883 100644
--- a/instrumentation/logback/logback-appender-1.0/library/build.gradle.kts
+++ b/instrumentation/logback/logback-appender-1.0/library/build.gradle.kts
@@ -57,6 +57,12 @@ graalvmNative {
   toolchainDetection.set(false)
 }
 
+// Disable collectReachabilityMetadata task to avoid configuration isolation issues
+// See https://github.com/gradle/gradle/issues/17559
+tasks.named("collectReachabilityMetadata").configure {
+  enabled = false
+}
+
 // To be able to execute the tests as GraalVM native executables
 configurations.configureEach {
   exclude("org.apache.groovy", "groovy")
diff --git a/smoke-tests-otel-starter/spring-boot-3.2/build.gradle.kts b/smoke-tests-otel-starter/spring-boot-3.2/build.gradle.kts
index 97b27224095f..0ae46cf424f0 100644
--- a/smoke-tests-otel-starter/spring-boot-3.2/build.gradle.kts
+++ b/smoke-tests-otel-starter/spring-boot-3.2/build.gradle.kts
@@ -79,3 +79,9 @@ graalvmNative {
     setForkEvery(1)
   }
 }
+
+// Disable collectReachabilityMetadata task to avoid configuration isolation issues
+// See https://github.com/gradle/gradle/issues/17559
+tasks.named("collectReachabilityMetadata").configure {
+  enabled = false
+}
diff --git a/smoke-tests-otel-starter/spring-boot-3/build.gradle.kts b/smoke-tests-otel-starter/spring-boot-3/build.gradle.kts
index cd6918920285..b4b541e3b135 100644
--- a/smoke-tests-otel-starter/spring-boot-3/build.gradle.kts
+++ b/smoke-tests-otel-starter/spring-boot-3/build.gradle.kts
@@ -82,3 +82,9 @@ graalvmNative {
     setForkEvery(1)
   }
 }
+
+// Disable collectReachabilityMetadata task to avoid configuration isolation issues
+// See https://github.com/gradle/gradle/issues/17559
+tasks.named("collectReachabilityMetadata").configure {
+  enabled = false
+}
diff --git a/smoke-tests-otel-starter/spring-boot-reactive-3/build.gradle.kts b/smoke-tests-otel-starter/spring-boot-reactive-3/build.gradle.kts
index cbca31573e1b..33dd3e20c860 100644
--- a/smoke-tests-otel-starter/spring-boot-reactive-3/build.gradle.kts
+++ b/smoke-tests-otel-starter/spring-boot-reactive-3/build.gradle.kts
@@ -73,3 +73,9 @@ graalvmNative {
     setForkEvery(1)
   }
 }
+
+// Disable collectReachabilityMetadata task to avoid configuration isolation issues
+// See https://github.com/gradle/gradle/issues/17559
+tasks.named("collectReachabilityMetadata").configure {
+  enabled = false
+}