CVE-2026-84661
A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and...
A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds awaited by the waitForBuild step when the propagateAbort parameter is used to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used 5.4
A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds awaited by the waitForBuild step when the propagateAbort parameter is used to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job.
- Record
CVE-2026-84661- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2026-70127 5.4
A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds awaited by the waitForBuild step when the propagateAbort parameter is used to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job.
- Record
EUVD-2026-70127- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w3m3-g5p2-2prv 5.4
A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and...
A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds awaited by the waitForBuild step when the propagateAbort parameter is used to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job.
- Record
GHSA-w3m3-g5p2-2prv- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD 5.4
A missing permission check in Jenkins Pipeline: Build Step Plugin 599.v4b_67ea_11b_152 and earlier causes downstream builds awaited by the waitForBuild step when the propagateAbort parameter is used to be canceled even when the build's authentication lacks Item/Cancel permission on the downstream job.
- Record
CVE-2026-84661- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-84661 is a medium vulnerability (CVSS 5.4) in Jenkins Project Pipeline: Build Step Plugin, published September 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. No source names a fixed version.