CVE-2026-92128: Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice,

Q: How do I fix CVE-2026-92128?

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

Q: Is CVE-2026-92128 being exploited?

CVE-2026-92128 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-2026-92128 affect?

CVE-2026-92128 affects script security. Severity is high (CVSS 7.5). Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define

Routine

HIGH 7.5UPGRADE

CVE-2026-92128 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 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.

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	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-494
Published	2026-09-16
Last modified	2026-09-21

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-09-21 · 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
2026-09-21 17:16 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-2026-92128?

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

Is CVE-2026-92128 being exploited?

CVE-2026-92128 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-2026-92128 affect?

CVE-2026-92128 affects script security. Severity is high (CVSS 7.5). Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define

How urgent is CVE-2026-92128?

Priority 32/100. High severity

Software pages

Jenkins vulnerabilities

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References

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