CVE-2026-57281: Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annota

Q: How do I fix CVE-2026-57281?

script security: upgrade to newer than 1402.v94c9ce464861. Exact commands for each OS are on this page.

Q: Is CVE-2026-57281 being exploited?

CVE-2026-57281 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-57281 affect?

CVE-2026-57281 affects script security. Severity is high (CVSS 7.5). Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annotations carrying an extensions member, allowing attackers able to run sandboxed Groovy scripts to execute code outside the sandbox i

This month

HIGH 7.5UPGRADE

CVE-2026-57281 is a high-severity flaw (CVSS 7.5) affecting script security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annotations carrying an extensions member, allowing attackers able to run sandboxed Groovy scripts to execute code outside the sandbox if a suitable script is present on the classpath of the component that evaluates the script.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-93, CWE-693, CWE-917
Published	2026-06-24
Last modified	2026-10-25

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-24 14:17 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

jenkins script security UPGRADE

Affected: <= 1402.v94c9ce464861

Fixed in: newer than 1402.v94c9ce464861

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy script-security || rpm -q script-security || script-security --version

2. UPGRADE to newer than 1402.v94c9ce464861 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade script-security

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade script-security

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-57281?

script security: upgrade to newer than 1402.v94c9ce464861. Exact commands for each OS are on this page.

Is CVE-2026-57281 being exploited?

CVE-2026-57281 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-57281 affect?

CVE-2026-57281 affects script security. Severity is high (CVSS 7.5). Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annotations carrying an extensions member, allowing attackers able to run sandboxed Groovy scripts to execute code outside the sandbox i

How urgent is CVE-2026-57281?

Priority 41/100. High severity

Software pages

Jenkins vulnerabilities

Related CVEs

CVE-2026-57280 HIGH 8.8 UPGRADE Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts appli

References

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