CRITICALVulnerability

CVE-2026-70426

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.

Properties

severity
CRITICAL
score
9
cve_id
CVE-2026-70426
vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
published_at
2026-08-05T18:17:12.233
last_modified
2026-08-31T19:34:59.477

Related Entities (2)

HAS_WEAKNESS (1)

[Weakness]Deserialization of Untrusted Data

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-70426 — Ninja Signal Threat Intelligence | Ninja Signal