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CVE Vulnerability Details :
CVE-2026-4496
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-20 Mar, 2026 | 18:32
Updated At-25 Mar, 2026 | 13:59
Rejected At-
▼CVE Numbering Authority (CNA)
sigmade Git-MCP-Server gitUtils.ts child_process.exec os command injection

A vulnerability was found in sigmade Git-MCP-Server up to 785aa159f262a02d5791a5d8a8e13c507ac42880. Affected by this vulnerability is the function child_process.exec of the file src/gitUtils.ts of the component show_merge_diff/quick_merge_summary/show_file_diff. The manipulation results in os command injection. The attack must be initiated from a local position. The exploit has been made public and could be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. It is advisable to implement a patch to correct this issue. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Products
Vendor
sigmade
Product
Git-MCP-Server
Modules
  • show_merge_diff/quick_merge_summary/show_file_diff
Versions
Affected
  • 785aa159f262a02d5791a5d8a8e13c507ac42880
Problem Types
TypeCWE IDDescription
CWECWE-78OS Command Injection
CWECWE-77Command Injection
Type: CWE
CWE ID: CWE-78
Description: OS Command Injection
Type: CWE
CWE ID: CWE-77
Description: Command Injection
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.15.3MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.05.3MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.04.3N/A
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Version: 3.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Version: 2.0
Base score: 4.3
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Yinci Chen (VulDB User)
coordinator
VulDB
Timeline
EventDate
Advisory disclosed2026-03-20 00:00:00
VulDB entry created2026-03-20 01:00:00
VulDB entry last update2026-03-20 10:21:37
Event: Advisory disclosed
Date: 2026-03-20 00:00:00
Event: VulDB entry created
Date: 2026-03-20 01:00:00
Event: VulDB entry last update
Date: 2026-03-20 10:21:37
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/?id.352045
vdb-entry
technical-description
https://vuldb.com/?ctiid.352045
signature
permissions-required
https://vuldb.com/?submit.773796
third-party-advisory
https://github.com/sigmade/Git-MCP-Server/issues/1
issue-tracking
https://github.com/user-attachments/files/24855745/Git-MCP-Server.bug.pdf
exploit
https://github.com/sigmade/Git-MCP-Server/pull/2
issue-tracking
patch
https://github.com/sigmade/Git-MCP-Server/
product
Hyperlink: https://vuldb.com/?id.352045
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.352045
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.773796
Resource:
third-party-advisory
Hyperlink: https://github.com/sigmade/Git-MCP-Server/issues/1
Resource:
issue-tracking
Hyperlink: https://github.com/user-attachments/files/24855745/Git-MCP-Server.bug.pdf
Resource:
exploit
Hyperlink: https://github.com/sigmade/Git-MCP-Server/pull/2
Resource:
issue-tracking
patch
Hyperlink: https://github.com/sigmade/Git-MCP-Server/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found