Agent-to-controller deserialization filter bypass

Jenkins uses the https://github.com/jenkinsci/remotingRemoting library typically agent.jar or remoting.jar for communication between the controller and agents via serialized Java objects. To protect against deserialization vulnerabilities, Jenkins enforces the https://jenkins.io/jep/200JEP-200...

Jenkins plugins Multiple Vulnerabilities (2026-08-05)

According to their self-reported version numbers, the version of Jenkins plugins running on the remote web server are affected by multiple vulnerabilities: - In Remoting 3384.v60d89463d9e0 and earlier, except 3355.3357.v931d3c992987, included in Jenkins 2... CVE-2026-70426 - Jenkins 2.575 and...

CVE-2026-70426: Deserialization of Untrusted Data

In Remoting 3384.v60d89463d9e0 and earlier, except 3355.3357.v931d3c992987, included in Jenkins 2.575 and earlier, LTS 2.568.1 and earlier, the JEP-200 class filter is not applied to classes resolved via a fallback path in the Remoting deserialization implementation, allowing agent processes, cod...

PT-2026-68261

Name of the Vulnerable Software and Affected Versions Remoting versions prior to 3384.v60d89463d9e0 excluding version 3355.3357.v931d3c992987 Jenkins versions prior to 2.576 Jenkins LTS versions prior to 2.568.2 Description The JEP-200 class filter is not applied to classes resolved via a fallbac...

CVE-2026-58127

PACSgear MediaWriter 5.2.1 exposes a .NET Remoting TCP service on port 9000 via PacsgearMediaServerEngine.dll, registered with ObjectURIs RemoteObj and UIRemoteObj, without any authentication requirement. By exploiting the MarshalByRefObject object unmarshalling technique and implementing .NET...

CVE-2026-58127

PACSgear MediaWriter 5.2.1 exposes a .NET Remoting TCP service on port 9000 via PacsgearMediaServerEngine.dll, registered with ObjectURIs RemoteObj and UIRemoteObj, without any authentication requirement. By exploiting the MarshalByRefObject object unmarshalling technique and implementing .NET...

CVE-2026-58127 PACSgear MediaWriter 5.2.1 Unauthenticated RCE via .NET Remoting TCP Service

PACSgear MediaWriter 5.2.1 exposes a .NET Remoting TCP service on port 9000 via PacsgearMediaServerEngine.dll, registered with ObjectURIs RemoteObj and UIRemoteObj, without any authentication requirement. By exploiting the MarshalByRefObject object unmarshalling technique and implementing .NET...

CVE-2026-58127 PACSgear MediaWriter 5.2.1 Unauthenticated RCE via .NET Remoting TCP Service

PACSgear MediaWriter 5.2.1 exposes a .NET Remoting TCP service on port 9000 via PacsgearMediaServerEngine.dll, registered with ObjectURIs RemoteObj and UIRemoteObj, without any authentication requirement. By exploiting the MarshalByRefObject object unmarshalling technique and implementing .NET...

CVE-2026-58126 PACSgear PACS Scan 5.2.1 Unauthenticated RCE via .NET Remoting TCP Service

PACSgear PACS Scan 5.2.1 contains an unauthenticated remote code execution vulnerability that allows remote attackers to read and write arbitrary files by exploiting an exposed .NET Remoting TCP service on port 22222 via PGImageExchQueue.exe without any authentication requirement. Attackers can...

CVE-2026-58126

PACSgear PACS Scan 5.2.1 contains an unauthenticated remote code execution vulnerability that allows remote attackers to read and write arbitrary files by exploiting an exposed .NET Remoting TCP service on port 22222 via PGImageExchQueue.exe without any authentication requirement. Attackers can...

EUVD-2026-41036

PACSgear PACS Scan 5.2.1 contains an unauthenticated remote code execution vulnerability that allows remote attackers to read and write arbitrary files by exploiting an exposed .NET Remoting TCP service on port 22222 via PGImageExchQueue.exe without any authentication requirement. Attackers can...

CVE-2026-58126 PACSgear PACS Scan 5.2.1 Unauthenticated RCE via .NET Remoting TCP Service

PACSgear PACS Scan 5.2.1 contains an unauthenticated remote code execution vulnerability that allows remote attackers to read and write arbitrary files by exploiting an exposed .NET Remoting TCP service on port 22222 via PGImageExchQueue.exe without any authentication requirement. Attackers can...

PT-2026-54909

Name of the Vulnerable Software and Affected Versions PACSgear MediaWriter version 5.2.1 Description An unauthenticated remote attacker can read and write arbitrary files on the host filesystem by exploiting a .NET Remoting TCP service exposed on port 9000 via PacsgearMediaServerEngine.dll. This ...

EUVD-2026-37681

Quanos SCHEMA ST4 on-premises contains a local privilege escalation vulnerability in the Client Update Service due to insecure deserialization in the .NET Remoting service. The service is configured with TypeFilterLevel.Full and is bound to local interfaces only through named pipes. A local...

CVE-2026-11857

Quanos SCHEMA ST4 on-premises contains a local privilege escalation vulnerability in the Client Update Service due to insecure deserialization in the .NET Remoting service. The service is configured with TypeFilterLevel.Full and is bound to local interfaces only through named pipes. A local...

CVE-2026-11858 Missing authorization in Quanos SCHEMA ST4 Client Update Service allows arbitrary file overwrite as SYSTEM

Quanos SCHEMA ST4 on-premises contains a local privilege escalation vulnerability in the Client Update Service. The update service runs as NT AUTHORITY\SYSTEM and exposes a .NET Remoting interface over a named pipe without sufficient access controls or authorization. A local authenticated...

CVE-2026-11858

Quanos SCHEMA ST4 on-premises is affected by a local privilege escalation due to insufficient authorization on the Client Update Service. The service, running as NT AUTHORITY\SYSTEM, exposes a .NET Remoting interface over a named pipe without proper access controls. A local authenticated low-priv...

CVE-2026-11857 Insecure .NET Remoting deserialization in Quanos SCHEMA ST4 Client Update Service allows local privilege escalation

Quanos SCHEMA ST4 on-premises contains a local privilege escalation vulnerability in the Client Update Service due to insecure deserialization in the .NET Remoting service. The service is configured with TypeFilterLevel.Full and is bound to local interfaces only through named pipes. A local...

CVE-2026-11857 Insecure .NET Remoting deserialization in Quanos SCHEMA ST4 Client Update Service allows local privilege escalation

Quanos SCHEMA ST4 on-premises contains a local privilege escalation vulnerability in the Client Update Service due to insecure deserialization in the .NET Remoting service. The service is configured with TypeFilterLevel.Full and is bound to local interfaces only through named pipes. A local...

CVE-2026-11857

The CVE describes a local privilege escalation in Quanos SCHEMA ST4 on-premises, via insecure deserialization in the .NET Remoting endpoint exposed by the Client Update Service. The service uses TypeFilterLevel.Full and binds to local interfaces over named pipes, enabling a local authenticated at...