CVE-2026-70426
CVE-2026-70426: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.3
High [CVE-2026-70426] Arbitrary code execution via deserialization filter bypass
CVE-2026-70426Source published Source updated
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, code running on agents, and attackers with Agent/Connect permission to bypass the JEP-200 deserialization filter for classes on the Jenkins core classpath. Successful exploitation could lead to arbitrary code execution on the Jenkins controller. This Important flaw in Jenkins Remoting allows authenticated attackers or compromised agent processes to execute arbitrary code on the Jenkins controller. The vulnerability stems from an incomplete deserialization filter bypass, enabling full compromise of…
- Affected products in this advisory
- OpenShift Developer Tools and Services 4.12
- OpenShift Developer Tools and Services 4.13
- OpenShift Developer Tools and Services 4.14
- OpenShift Developer Tools and Services 4.15
7 more entries in the full advisory.
- Source-reported affected versions
- 3355.3357
- 2.575
- 2.568.1
- Source-reported fixed versions
- ocp-tools-4/jenkins-rhel8:1786628667
- ocp-tools-4/jenkins-rhel8:1786628681
- ocp-tools-4/jenkins-rhel8:1786533561
- ocp-tools-4/jenkins-rhel8:1786533565
18 more entries in the full advisory.
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
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