PT-2026-84778
CVE-2026-84655
·
Published
2026-09-02
·
Updated
2026-09-15
Description by
CVSS 3.1
4.3
MediumMetricsAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Name of the Vulnerable Software and Affected Versions
Jenkins versions prior to 2.580
Jenkins LTS versions prior to 2.568.3
Description
The REST API fails to escape map keys when serializing objects as JSON and Python. This allows attackers who can control map property names to inject arbitrary fields into the API responses.
Recommendations
Update to version 2.580 or later.
Update LTS to version 2.568.3 or later.
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