Insecure Direct Object Reference in GitLab EE Affects Multiple Versions
CVE-2025-1042

4.9MEDIUM

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
12 February 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

An insecure direct object reference vulnerability exists in GitLab EE that allows attackers to exploit certain versions of the software. This flaw may enable unauthorized users to gain access to private repositories, posing significant risks to sensitive information. It affects all versions from 15.7 through to 17.8.1. Users are advised to upgrade to fixed versions to mitigate this vulnerability.

Affected Version(s)

GitLab 15.7 < 17.6.5

GitLab 17.7 < 17.7.4

GitLab 17.8 < 17.8.2

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-2025-1042 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/50849943
issue-trackingpermissions-required
https://hackerone.com/reports/2886976
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [mateuszek](https://hackerone.com/mateuszek) for reporting this vulnerability through our HackerOne bug bounty program
.