CVE-2026-84657 Affecting jenkins package, versions <2.580-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.19% (9th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-JENKINS-19647538
  • published9 Sept 2026
  • disclosed2 Sept 2026

Introduced: 2 Sep 2026

NewCVE-2026-84657  (opens in a new tab)

How to fix?

Upgrade Minimos:latest jenkins to version 2.580-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jenkins package and not the jenkins package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the build CLI command does not check the Item/Cancel permission when using the -s flag to cancel a build triggered to wait for completion, allowing attackers with Item/Build permission to cancel builds started by other users.