Vulnerability · Published Jun 24, 2026 · Assigned by jenkins

CVE-2026-57280

High 8.8

In plain English

A high-severity security flaw in Jenkins Script Security Plugin from Jenkins Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.5%top 56.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts applied to the elements of typed for-each loops in sandboxed Groovy scripts, allowing attackers able to provide such scripts to invoke arbitrary constructors and bypass the sandbox protection.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	org.jenkins-ci.plugins:script-security	1402.1405.vc96e74964250	GHSA-c3jm-9vj7-5v66

Affected products (as reported)

Vendor	Product	Versions
Jenkins Project	Jenkins Script Security Plugin	0 – through 1402.v94c9ce464861

Weakness: CWE-693 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Jenkins Security Advisory 2026-06-24 vendor-advisory