CVE-2026-84658: Jenkins Script Security Plugin 1412.v7737b_3405f86 and earlier uses the `@DataBoundConstructor` annotation on

Q: How do I fix CVE-2026-84658?

script security: upgrade to newer than 1412.v7737b_3405f86. Exact commands for each OS are on this page.

Q: Is CVE-2026-84658 being exploited?

CVE-2026-84658 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-2026-84658 affect?

CVE-2026-84658 affects script security. Severity is medium (CVSS 4.3). Jenkins Script Security Plugin 1412.v7737b_3405f86 and earlier uses the `@DataBoundConstructor` annotation on a constructor that loads script approval configuration, allowing attackers able to submit certain forms to read that configuration

Q: How urgent is CVE-2026-84658?

Priority 21/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2026-84658 is a medium-severity flaw (CVSS 4.3) 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 1412.v7737b_3405f86 and earlier uses the `@DataBoundConstructor` annotation on a constructor that loads script approval configuration, allowing attackers able to submit certain forms to read that configuration.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-09-02
Last modified	2026-09-22

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-09-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-02 16:17 UTCPublished CVE record published
2026-09-22 15:51 UTCUpdated Record last modified

jenkins script security UPGRADE

Affected: <= 1412.v7737b_3405f86

Fixed in: newer than 1412.v7737b_3405f86

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 1412.v7737b_3405f86 (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-2026-84658?

script security: upgrade to newer than 1412.v7737b_3405f86. Exact commands for each OS are on this page.

Is CVE-2026-84658 being exploited?

CVE-2026-84658 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-2026-84658 affect?

CVE-2026-84658 affects script security. Severity is medium (CVSS 4.3). Jenkins Script Security Plugin 1412.v7737b_3405f86 and earlier uses the `@DataBoundConstructor` annotation on a constructor that loads script approval configuration, allowing attackers able to submit certain forms to read that configuration

How urgent is CVE-2026-84658?

Priority 21/100. No elevated risk signals yet.

Software pages

Jenkins vulnerabilities

Related CVEs

CVE-2026-42519 MEDIUM 4.3 UPGRADE A missing permission check in Jenkins Script Security Plugin 1399.ve6a_66547f6e1 and earlier allows attackers
CVE-2026-57280 HIGH 8.8 UPGRADE Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not intercept the implicit type casts appli
CVE-2026-57281 HIGH 7.5 UPGRADE Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annota
CVE-2026-92126 HIGH 8.5 UPGRADE Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier does not reject @Builder annotations whose bu
CVE-2026-84659 MEDIUM 4.3 UPGRADE Jenkins Script Security Plugin 1412.v7737b_3405f86 and earlier does not enforce a permission check in the meth

References

← Back to latest CVEs