PT-2026-26662 · Sigmade · Git-Mcp-Server

Vuldb + 1 · Published 2026-03-20 · Updated 2026-03-22 · CVE-2026-4496

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions sigmade Git-MCP-Server versions prior to 785aa159f262a02d5791a5d8a8e13c507ac42880

Description A flaw exists in sigmade Git-MCP-Server due to an os command injection within the child process.exec function located in the src/gitUtils.ts file, specifically within the show file diff component. The issue is triggered through local exploitation. The exploit has been publicly disclosed.

Recommendations Apply a patch to correct this issue.

Exploit

Fix

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-4496

Affected Products

Git-Mcp-Server

References · 9

• 🔥❌ https://github.com/user-attachments/files/24855745/Git-MCP-Server.bug.pdf · Exploit, Deleted
• https://github.com/sigmade/Git-MCP-Server/pull/2 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-4496 · Security Note
• https://github.com/sigmade/Git-MCP-Server/issues/1 · Note
• https://vuldb.com/?ctiid.352045 · Note
• https://github.com/sigmade/Git-MCP-Server · Note
• https://twitter.com/CVEnew/status/2035619776073285826 · Twitter Post
• https://vuldb.com/?submit.773796 · Note
• https://vuldb.com/?id.352045 · Note