CVEvulnerability

CVE-2026-70426

9.0 CRITICAL Published 2026-08-05 Modified 2026-08-31 Official page ↗
Status
Awaiting Analysis
Published
2026-08-05
Last modified
2026-08-31
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.0 CRITICAL — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-502

Description

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.

Related

Weakness · CWE (1)

  • CWE-502 Deserialization of Untrusted Data weakness

References