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.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 3
- StatusReceived → PublishedNVD modified 2026-10-28 16:48
- StatusPublished → ReceivedNVD modified 2026-10-28 17:18
- First seenunscored · jenkins projectNVD modified 2026-10-28 16:48
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.