CVE-2026-57282: Jenkins Git client Plugin 6.6.0 and earlier does not correctly escape the workspace directory name when it is

Q: How do I fix CVE-2026-57282?

git client: upgrade to 6.6.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-57282 being exploited?

CVE-2026-57282 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-2026-57282 affect?

CVE-2026-57282 affects git client. Severity is medium (CVSS 5.0). Jenkins Git client Plugin 6.6.0 and earlier does not correctly escape the workspace directory name when it is embedded into a generated SSH wrapper script, allowing attackers able to control the name of a build's working directory to execut

Q: How urgent is CVE-2026-57282?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2026-57282 is a medium-severity flaw (CVSS 5.0) affecting git client. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jenkins Git client Plugin 6.6.0 and earlier does not correctly escape the workspace directory name when it is embedded into a generated SSH wrapper script, allowing attackers able to control the name of a build's working directory to execute arbitrary operating system commands on the agent.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-06-24
Last modified	2026-10-25

Publisher (CNA): Jenkins Project · Vendor: jenkins

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

Am I affected?

Timeline

2026-06-24 14:17 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

jenkins git client UPGRADE

Affected: < 6.6.1

Fixed in: 6.6.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy git-client || rpm -q git-client || git-client --version

2. UPGRADE to 6.6.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade git-client

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade git-client

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-2026-57282?

git client: upgrade to 6.6.1. Exact commands for each OS are on this page.

Is CVE-2026-57282 being exploited?

CVE-2026-57282 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-2026-57282 affect?

CVE-2026-57282 affects git client. Severity is medium (CVSS 5.0). Jenkins Git client Plugin 6.6.0 and earlier does not correctly escape the workspace directory name when it is embedded into a generated SSH wrapper script, allowing attackers able to control the name of a build's working directory to execut

How urgent is CVE-2026-57282?

Priority 22/100. No elevated risk signals yet.

Software pages

Jenkins vulnerabilities · Git vulnerabilities

References

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