CVE-2026-57296 — HIGH (8.8)

Vulnerability Description

Jenkins External Workspace Manager Plugin 1.3.2 and earlier does not reject path traversal sequences in the custom workspace path provided to the exwsAllocate Pipeline step, allowing attackers with Item/Configure permission to read arbitrary files on the Jenkins controller file system, which can lead to remote code execution.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-22

References

https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3777

FAQ

What is CVE-2026-57296?

CVE-2026-57296 is a vulnerability with a CVSS score of 8.8 (HIGH). Jenkins External Workspace Manager Plugin 1.3.2 and earlier does not reject path traversal sequences in the custom workspace path provided to the exwsAllocate Pipeline step, allowing attackers with It...

How severe is CVE-2026-57296?

CVE-2026-57296 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-57296?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.