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.
CVSS Details
- CVSS 3.1 Base Score: 4.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade jenkins-ltsUpgrade jenkins | Sep 7, 2026 | Sep 2, 2026 |
| Jenkins 2026 09 02 | — | Upgrade Jenkins to the latest versionUpgrade Jenkins LTS to version 2.568.3Upgrade Jenkins to version 2.580Upgrade Jenkins LTS to the latest version | Sep 3, 2026 | Sep 2, 2026 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub