CVE-2026-102828: simple-git, an interface for running git commands in any node.js application, enables applications to execute

Q: How do I fix CVE-2026-102828?

simple-git: upgrade to 4.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-102828 being exploited?

CVE-2026-102828 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-2026-102828 affect?

CVE-2026-102828 affects simple-git. Severity is critical (CVSS 9.8). simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. From 3.15.0 until 4.0.1, the default blockUnsafeOperationsPlugin does not classify trailer.

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-102828 is a critical-severity flaw (CVSS 9.8) affecting simple-git. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. From 3.15.0 until 4.0.1, the default blockUnsafeOperationsPlugin does not classify trailer.<token>.cmd as unsafe configuration. An application that passes attacker-controlled values through SimpleGitOptions.config or inline -c arguments can therefore allow Git to invoke an attacker-selected shell command wh

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-78, CWE-184
Published	2026-09-29
Last modified	2026-10-08

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

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-29 19:17 UTCPublished CVE record published
2026-10-08 20:03 UTCUpdated Record last modified

simple-git project simple-git UPGRADE

Affected: >= 3.15.0 and < 4.0.1

Fixed in: 4.0.1

Safe to downgrade to: a release before 3.15.0

1. Check installed version

npm ls simple-git

2. UPGRADE to 4.0.1

npm install simple-git@">=4.0.1"

3. If no update is available yet, DOWNGRADE to a release before 3.15.0

npm view simple-git versions npm install simple-git@"<3.15.0"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-102828?

simple-git: upgrade to 4.0.1. Exact commands for each OS are on this page.

Is CVE-2026-102828 being exploited?

CVE-2026-102828 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-2026-102828 affect?

CVE-2026-102828 affects simple-git. Severity is critical (CVSS 9.8). simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. From 3.15.0 until 4.0.1, the default blockUnsafeOperationsPlugin does not classify trailer.<token>

How urgent is CVE-2026-102828?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities · 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

References

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