Missing Authorization in Pipeline: Build Step - CVE-2026-84661
Published: September 4, 2026
Vulnerability identifier: #VU146962
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-84661
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to missing authorization check. A remote user can cause downstream builds awaited by the "waitForBuild" step when the "propagateAbort" parameter is used to be canceled.
Affected software
Pipeline: Build Step
How to mitigate CVE-2026-84661
Install updates from vendor's website.
Pipeline: Build Step - update to 601.v6d4c6d1a_9dc7