CVE-2026-84657

4.2 mediumEPSS 0.4%

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.

Severity

CVSS 3.1

4.2 medium

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-09-02
Modified: 2026-09-15
Record from: the NVD, synced 2026-10-19

Affected

jenkins:jenkins

References

https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4015

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