This Week in Spring - August 11th, 2026

Hi, Spring fans! Welcome back to another lively edition of This Week in Spring! So much is always happening in the Spring world, and that’s part of what makes it so fun to follow. One of my favorite things is how much the community contributes and how great it is to connect with everyone. In earl...

CVE-2026-65906

In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible...

CVE-2026-65906

CVE-2026-65906 affects JetBrains TeamCity versions prior to 2026.1.2 and prior to 2025.11.6. The vulnerability enables remote code execution via a sandbox escape in the Kotlin DSL used for configuration. The root cause is a sandbox escape in the Kotlin DSL, allowing code execution with high impac...

CVE-2026-65906

In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible...

EUVD-2026-48251

In JetBrains TeamCity before 2026.1.2, 2025.11.6 сode execution via Kotlin DSL sandbox escape was possible...

PT-2026-63980

Name of the Vulnerable Software and Affected Versions JetBrains TeamCity versions prior to 2026.1.2 JetBrains TeamCity versions prior to 2025.11.6 Description Remote code execution is possible through a sandbox escape within the Kotlin DSL Domain Specific Language, which is a concise notation for...

CVE-2026-45799

Wire provides gRPC and protocol buffers for Android, Kotlin, Swift, and Java. Prior to 6.3.0 and 7.0.0-alpha03, ByteArrayProtoReader32.skipGroup and ProtoReader.skipGroup in wire-runtime do not validate that a LENGTHDELIMITED field length is non-negative before skip, allowing a crafted protobuf...

A Bootiful Podcast: Sébastien Deleuze on the latest-and-greatest in Spring AI and Spring Framework

Hi Spring fans! In this installment we talk to the legendary Spring AI and Spring Framework contributor Sébastien Deleuze about the latest-and-greatest in AI, Kotlin, the framework, and more...

JetBrains Kotlin: Unsafe Deserialization in Kotlin Build Cache Enables Code Execution

In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata...

CVE-2026-53914

In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata...

CVE-2026-53914

In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata...

CVE-2026-53914

CVE-2026-53914 affects JetBrains Kotlin prior to 2.4.20, where unsafe deserialization in the build cache metadata allows code execution. The NVD notes a high-severity, network-vector vulnerability with critical impact to confidentiality, integrity, and availability; local context in CVSS from CNA...

CVE-2026-53914

In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata...

PT-2026-52700

Name of the Vulnerable Software and Affected Versions JetBrains Kotlin versions prior to 2.4.20 Description Unsafe deserialization in the build cache metadata allows for remote code execution. Deserialization is the process of converting a data format, such as JSON or XML, back into an object tha...

K000161864: Spring WebFlux vulnerability CVE-2026-41847

Security Advisory Description Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL. Affected versions: Spring Framework 5.3.0 through 5.3.48. CVE-2026-41847 Impact There is no impact; F5 products are not affected by this vulnerability. Security...

ca.uhn.hapi.fhir:hapi-fhir-base-test-jaxrsserver-kotlin (=6.8.0), ca.uhn.hapi.fhir:hapi-fhir-cli-api (>=6.6.0 <=8.8.1) +184 more potentially affected by CVE-2026-55470 via ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 (>=6.0.0 <=6.9.1)

ca.uhn.hapi.fhir:org.hl7.fhir.dstu2 MAVEN version =6.0.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.8.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =6.6.0, =8.8.1 and more Source cves: CVE-2026-55470 Source advisory: SNYK:JAVA-CAUHNHAPIFHIR-17375098...

Spring Framework 5.3.x < 5.3.49 Multiple Vulnerabilities

The version of Spring Framework installed on the remote host is 5.3.x prior to 5.3.49. It is, therefore, affected by multiple vulnerabilities: - Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL. CVE-2026-41847 - An integer overflow vulnerability...

CVE-2026-41847

Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL. Affected versions: Spring Framework 5.3.0 through 5.3.48...

UBUNTU-CVE-2026-41847

Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL. Affected versions: Spring Framework 5.3.0 through 5.3.48...

CVE-2026-41847 Spring Framework Security Filter Bypass in WebFlux Kotlin Router DSL

Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL. Affected versions: Spring Framework 5.3.0 through 5.3.48...