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CVE-2026-84655

MEDIUM CVSS: 4.3 Published: 2026-09-02 Modified: 2026-09-15

Description

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.

Affected Platforms

Jenkins Jenkins

Weakness Type

CWE-116

References