CVE-2026-102827: simple-git, an interface for running git commands in any node.js application, enables applications to execute

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HIGH 8.1REMOTEUPGRADE

CVE-2026-102827 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, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. Prior to 4.0.0, the default blockUnsafeOperationsPlugin compares parsed option names with literal dangerous option spellings while Git accepts unambiguous long-option abbreviations. Attacker-influenced push arguments such as abbreviated --receive-pack or --exec forms can therefore bypass detectVulnerableFla

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	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-77, CWE-88
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 20:11 UTCUpdated Record last modified

simple-git project simple-git UPGRADE

Affected: < 4.0.0

Fixed in: 4.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls simple-git

2. UPGRADE to 4.0.0

npm install simple-git@">=4.0.0"

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-2026-102827?

simple-git: upgrade to 4.0.0. Exact commands for each OS are on this page.

Is CVE-2026-102827 being exploited?

CVE-2026-102827 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-2026-102827 affect?

CVE-2026-102827 affects simple-git. Severity is high (CVSS 8.1). simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. Prior to 4.0.0, the default blockUnsafeOperationsPlugin compares parsed option names with literal

How urgent is CVE-2026-102827?

Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities · Git vulnerabilities

Related CVEs

CVE-2026-28291 HIGH 8.1 UPGRADE simple-git enables running native Git commands from JavaScript
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-2026-102828 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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