PT-2026-84778 · Jenkins+1 · Jenkins

CVE-2026-84655

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Published

2026-09-02

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Updated

2026-09-08

CVSS v3.1

4.3

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Jenkins 2.579 and earlier, LTS 2.568.2 and earlier does not escape map keys when serializing objects as JSON and Python through its REST API, allowing attackers able to control map property names to inject arbitrary fields into JSON and Python API responses.

Fix

Improper Encoding or Escaping of Output

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Weakness Enumeration

Related Identifiers

BIT-JENKINS-2026-84655
CVE-2026-84655

Affected Products

Jenkins