OS Command Injection Vulnerability in GitList by klaussilveira
CVE-2026-82668

6.9MEDIUM

Key Information:

Vendor

Klaussilveira

Status
Gitlist
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82668?

A vulnerability exists in GitList version 2.0.0 that allows for OS command injection through the 'getDefaultBranch' function found in the Git Command Line component. This issue can be exploited remotely, potentially leading to unauthorized system commands being executed. Users are strongly advised to upgrade to version 3.0.0-beta to safeguard against this risk, and apply the patch identified as commit 88cf2866083d5f7c20d9d565c45f828a7ad1516b.

Affected Version(s)

GitList 2.0.0

GitList 3.0.0-beta

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.

CVE-2026-82668 - Proof of Concept

References

https://vuldb.com/vuln/397167
vdb-entrytechnical-description
https://vuldb.com/vuln/397167/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82668
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

iswangxy (VulDB User)
.