Medium severity4.2NVD Advisory· Published Sep 2, 2026· Updated Sep 15, 2026
CVE-2026-84657
CVE-2026-84657
Description
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the build CLI command does not check the Item/Cancel permission when using the -s flag to cancel a build triggered to wait for completion, allowing attackers with Item/Build permission to cancel builds started by other users.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=2.579, <=2.568.2
Patches
Vulnerability mechanics
References
1- www.jenkins.io/security/advisory/2026-09-02/nvdVendor Advisory
News mentions
3- Jenkins: 25 Vulnerabilities Disclosed Together, Including RCE and XSS FlawsVypr Intelligence · Sep 2, 2026
- Jenkins: 14 Vulnerabilities Disclosed Together, Including High-Severity Deserialization FlawsVypr Intelligence · Sep 2, 2026
- Jenkins Security Advisory 2026-09-02Jenkins Security Advisories · Sep 2, 2026