PatchTheCVECVE-2026-117613: Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not restrict item types in collections after deseriali
CVE-2026-117613 is a medium-severity flaw (CVSS 5.4) affecting jenkins. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not restrict item types in collections after deserialization, allowing attackers with access to POST config.xml API endpoints to submit crafted `config.xml` files that can lead to, e.g., stored cross-site scripting (XSS) vulnerabilities.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 92%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2026-10-28 |
| Last modified | 2026-11-02 |
Last updated 2026-11-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-117613?
jenkins: upgrade to 2.580.2, 2.588. Exact commands for each OS are on this page.
Is CVE-2026-117613 being exploited?
CVE-2026-117613 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-117613 affect?
CVE-2026-117613 affects jenkins. Severity is medium (CVSS 5.4). Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not restrict item types in collections after deserialization, allowing attackers with access to POST config.xml API endpoints to submit crafted `config.xml` files that can lead to, e.g
How urgent is CVE-2026-117613?
Priority 21/100. No elevated risk signals yet.
Software pages
Related CVEs
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