What is CVE-2026-57296?

CVE-2026-57296 is a high-severity vulnerability in Jenkins Project External Workspace Manager Plugin, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-06-24.

How severe is CVE-2026-57296?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Jenkins Project External Workspace Manager Plugin

CVE-2026-57296

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 arbitra…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jenkins Project External Workspace Manager Plugin — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

jenkinsci-cert@googlegroups.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-57296?: CVE-2026-57296 is a high-severity vulnerability in Jenkins Project External Workspace Manager Plugin, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-06-24.
How severe is CVE-2026-57296?: High severity. CVSS v3 base score is 8.8 out of 10.