CVE-2026-42520: Jenkins Credentials Binding Plugin 719.v80e905ef14eb_ and earlier does not sanitize file names for file and zi

Q: How do I fix CVE-2026-42520?

credentials binding: upgrade to newer than 719.v80e905ef14eb. Exact commands for each OS are on this page.

Q: Is CVE-2026-42520 being exploited?

CVE-2026-42520 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-2026-42520 affect?

CVE-2026-42520 affects credentials binding. Severity is high (CVSS 7.5). Jenkins Credentials Binding Plugin 719.v80e905ef14eb_ and earlier does not sanitize file names for file and zip file credentials, allowing attackers able to provide credentials to a job to write files to arbitrary locations on the node file

Routine

HIGH 7.5UPGRADE

CVE-2026-42520 is a high-severity flaw (CVSS 7.5) affecting credentials binding. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jenkins Credentials Binding Plugin 719.v80e905ef14eb_ and earlier does not sanitize file names for file and zip file credentials, allowing attackers able to provide credentials to a job to write files to arbitrary locations on the node filesystem, which can lead to remote code execution if Jenkins is configured to allow a low-privileged user to configure file or zip file credentials used for a job running on the built-in node.

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	0.4% (top 65%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-04-29
Last modified	2026-10-26

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-29 14:16 UTCPublished CVE record published
2026-10-26 20:10 UTCUpdated Record last modified

jenkins credentials binding UPGRADE

Affected: <= 719.v80e905ef14eb

Fixed in: newer than 719.v80e905ef14eb

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy credentials-binding || rpm -q credentials-binding || credentials-binding --version

2. UPGRADE to newer than 719.v80e905ef14eb (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade credentials-binding

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade credentials-binding

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-2026-42520?

credentials binding: upgrade to newer than 719.v80e905ef14eb. Exact commands for each OS are on this page.

Is CVE-2026-42520 being exploited?

CVE-2026-42520 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-2026-42520 affect?

CVE-2026-42520 affects credentials binding. Severity is high (CVSS 7.5). Jenkins Credentials Binding Plugin 719.v80e905ef14eb_ and earlier does not sanitize file names for file and zip file credentials, allowing attackers able to provide credentials to a job to write files to arbitrary locations on the node file

How urgent is CVE-2026-42520?

Priority 35/100. High severity

Software pages

Jenkins vulnerabilities

References

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