CVE-2026-28291: simple-git enables running native Git commands from JavaScript

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HIGH 8.1REMOTEUPGRADE

CVE-2026-28291 is a high-severity flaw (CVSS 8.1) affecting simple-git. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-04-13
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: simple-git project

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

Am I affected?

Timeline

2026-04-13 18:16 UTCPublished CVE record published
2026-10-26 22:10 UTCUpdated Record last modified

simple-git project simple-git UPGRADE

Affected: < 3.32.0

Fixed in: 3.32.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls simple-git

2. UPGRADE to 3.32.0

npm install simple-git@">=3.32.0"

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-2026-28291?

simple-git: upgrade to 3.32.0. Exact commands for each OS are on this page.

Is CVE-2026-28291 being exploited?

CVE-2026-28291 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-2026-28291 affect?

CVE-2026-28291 affects simple-git. Severity is high (CVSS 8.1). 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

How urgent is CVE-2026-28291?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Git vulnerabilities

Related CVEs

CVE-2026-102826 HIGH 8.1 UPGRADE simple-git, an interface for running git commands in any node.js application, enables applications to execute
CVE-2026-102827 HIGH 8.1 UPGRADE simple-git, an interface for running git commands in any node.js application, enables applications to execute
CVE-2026-102828 CRITICAL 9.8 UPGRADE simple-git, an interface for running git commands in any node.js application, enables applications to execute

References

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