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CVE-2026-57302: Jenkins FitNesse Plugin 1.36 and earlier stores passwords unencrypted in job config.xml files on the Jenkins c

20
Routine
MEDIUM 4.3UPGRADE

CVE-2026-57302 is a medium-severity flaw (CVSS 4.3) affecting fitnesse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jenkins FitNesse Plugin 1.36 and earlier stores passwords unencrypted in job config.xml files on the Jenkins controller, where they can be viewed by users with Extended Read permission or access to the Jenkins controller file system.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.3% (top 80%)
CISA exploited listNo
WeaknessCWE-256
Published2026-06-24
Last modified2026-10-25
Publisher (CNA): Jenkins Project · Vendor: jenkins

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

Am I affected?

Timeline

jenkins fitnesse UPGRADE
Affected: <= 1.36
Fixed in: newer than 1.36
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy fitnesse || rpm -q fitnesse || fitnesse --version
2. UPGRADE to newer than 1.36 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade fitnesse
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade fitnesse
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-2026-57302?

fitnesse: upgrade to newer than 1.36. Exact commands for each OS are on this page.

Is CVE-2026-57302 being exploited?

CVE-2026-57302 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-2026-57302 affect?

CVE-2026-57302 affects fitnesse. Severity is medium (CVSS 4.3). Jenkins FitNesse Plugin 1.36 and earlier stores passwords unencrypted in job config.xml files on the Jenkins controller, where they can be viewed by users with Extended Read permission or access to the Jenkins controller file system.

How urgent is CVE-2026-57302?

Priority 20/100. No elevated risk signals yet.

Software pages

Jenkins vulnerabilities

References

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