CVE-2026-92126: Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier does not reject @Builder annotations whose bu

Q: How do I fix CVE-2026-92126?

script security: upgrade to newer than 1415.v9a_f9b_3a_c253d. Exact commands for each OS are on this page.

Q: Is CVE-2026-92126 being exploited?

CVE-2026-92126 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-2026-92126 affect?

CVE-2026-92126 affects script security. Severity is high (CVSS 8.5). Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier does not reject @Builder annotations whose builderStrategy member names an arbitrary class, allowing attackers with permission to define and run sandboxed scripts, including P

This month

HIGH 8.5UPGRADE

CVE-2026-92126 is a high-severity flaw (CVSS 8.5) 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 1415.v9a_f9b_3a_c253d and earlier does not reject @Builder annotations whose builderStrategy member names an arbitrary class, allowing attackers with permission to define and run sandboxed scripts, including Pipelines, to execute code outside the sandbox if a suitable class 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	8.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-470, CWE-94
Published	2026-09-16
Last modified	2026-09-27

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-09-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-16 14:17 UTCPublished CVE record published
2026-09-27 00:16 UTCUpdated Record last modified

jenkins script security UPGRADE

Affected: <= 1415.v9a_f9b_3a_c253d

Fixed in: newer than 1415.v9a_f9b_3a_c253d

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 1415.v9a_f9b_3a_c253d (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-2026-92126?

script security: upgrade to newer than 1415.v9a_f9b_3a_c253d. Exact commands for each OS are on this page.

Is CVE-2026-92126 being exploited?

CVE-2026-92126 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-2026-92126 affect?

CVE-2026-92126 affects script security. Severity is high (CVSS 8.5). Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier does not reject @Builder annotations whose builderStrategy member names an arbitrary class, allowing attackers with permission to define and run sandboxed scripts, including P

How urgent is CVE-2026-92126?

Priority 42/100. High severity

Software pages

Jenkins vulnerabilities

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References

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