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MEDIUM

CVE-2026-84657

CVSS v3

4.2

MEDIUM

EPSS Score

0.3 %

exploit probability, as of 2026-10-02

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-02
Last Modified
2026-09-02

Frequently asked questions

What is CVE-2026-84657?

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.

Is CVE-2026-84657 actively exploited?

Active exploitation of CVE-2026-84657 has not been confirmed. Its EPSS score was 0.3% on 2026-10-02, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-84657?

CVE-2026-84657 has a CVSS v3 base score of 4.2 (MEDIUM severity).

Is CVE-2026-84657 affecting your environment?

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