OS Command Injection Vulnerability in git-diff by Danday74
CVE-2026-110634

9.3CRITICAL

Key Information:

Vendor

Danday74

Status
Git-diff
Vendor
CVE Published:
14 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-110634?

The git-diff tool prior to version 2.0.7 has a vulnerability that allows malicious users to inject shell commands. This is achieved by supplying specially crafted strings to the gitDiff API, enabling attackers to execute arbitrary commands with Node.js process privileges. Users leveraging diffed document strings can manipulate input through $(cmd) or backtick substitutions, which are processed by shelljs.exec, leading to potential unauthorized command execution.

Affected Version(s)

git-diff 0 < 2.0.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

cortex9-git-diff-shell-hash-object-injection-model
Created by federiconbaez

References

https://github.com/danday74/git-diff/pull/16
issue-trackingpatch
https://github.com/danday74/git-diff/commit/bfd727b6cf1da...
patch
https://github.com/danday74/git-diff/blob/a85a649badc4c6b...
technical-description

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Zachariah Mithani
.