Review reviewHigh

CVE-2026-28291

steveukx git-js, Red Hat Build of Keycloak, Red Hat Enterprise Linux 8

simple-git enables running native Git commands from JavaScript. Versions up to and including 3.31.1 allow execution of arbitrary commands through Git option manipulation, bypassing safety checks meant to block dangerous options like -u and --upload-pack. The flaw stems from an incomplete fix for CVE-2022-25860, as Git's flexible option parsing allows numerous character combinations (e.g., -vu, -4u, -nu) to circumvent the regular-expression-based blocklist in the unsafe operations plugin. Due to the virtually infinite number of valid option variants that Git accepts, a complete blocklist-bas...

CVSS: 8.1
EPSS: 0.65%
CISA KEV: Not listed
Published: 2026.04.14

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.65%

Technical severityCVSS 8.1

Vulnerability overview

Affected product and versions

Product: steveukx git-js, Red Hat Build of Keycloak, Red Hat Enterprise Linux 8
Affected versions: >= < 3.32.0, < 3.32.0
Fixed versions: 3.32.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that steveukx git-js, Red Hat Build of Keycloak, Red Hat Enterprise Linux 8 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-78