CVE-2026-84657
Low
No strong exploitation signal.
CVSS base
4.2
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
EPSS — probability of exploitation (30 days)
0.2%
8.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-862
Published 2026-09-02 · modified 2026-09-15
CVSS breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
| Attack Vector | N | Network |
| Attack Complexity | H | High |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | L | Low |
| Availability | L | Low |
Timeline
- 2026-09-02 — Published (NVD)
- 2026-09-15 — Last modified (NVD)
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.