CVE-2026-84650 Affecting jenkins package, versions <2.580-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.35% (29th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-JENKINS-19644435
  • published9 Sept 2026
  • disclosed2 Sept 2026

Introduced: 2 Sep 2026

NewCVE-2026-84650  (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, transient fields cannot be excluded from deserialization, allowing attackers able to submit configuration updates to specify the values of transient fields that will be deserialized, the impact depending on how those fields are used.