Protection mechanism failure in Script Security - CVE-2026-57280

 

Protection mechanism failure in Script Security - CVE-2026-57280

Published: June 29, 2026


Vulnerability identifier: #VU135662
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-57280
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Jenkins
Affected software:
Script Security

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the affected plugin does not intercept the implicit type casts applied to the elements of typed for-each loops in sandboxed Groovy scripts. A remote user can invoke arbitrary constructors and bypass the sandbox protection.


How to mitigate CVE-2026-57280

Install updates from vendor's website.

Sources