CVE-2025-1042
📋 TL;DR
This CVE describes an insecure direct object reference vulnerability in GitLab EE that allows attackers to access repositories without proper authorization. It affects GitLab EE versions 15.7 through 17.6.4, 17.7 through 17.7.3, and 17.8 through 17.8.1. Attackers can view private repositories they shouldn't have access to.
💻 Affected Systems
- GitLab EE
📦 What is this software?
Gitlab by Gitlab
GitLab is a complete DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and collaboration tools used by millions of developers and thousands of enterprises worldwide. As both a cloud-hosted SaaS offering (GitLab.com) and self-managed software, G...
Learn more about Gitlab →Gitlab by Gitlab
GitLab is a complete DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and collaboration tools used by millions of developers and thousands of enterprises worldwide. As both a cloud-hosted SaaS offering (GitLab.com) and self-managed software, G...
Learn more about Gitlab →Gitlab by Gitlab
GitLab is a complete DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and collaboration tools used by millions of developers and thousands of enterprises worldwide. As both a cloud-hosted SaaS offering (GitLab.com) and self-managed software, G...
Learn more about Gitlab →⚠️ Risk & Real-World Impact
Worst Case
Complete exposure of all private repositories including sensitive source code, credentials, and intellectual property to unauthorized users.
Likely Case
Unauthorized viewing of some private repositories leading to source code leakage and potential credential exposure.
If Mitigated
Limited exposure due to proper access controls and monitoring, with only minimal data leakage.
🎯 Exploit Status
Exploitation requires some level of access but is straightforward once initial access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 17.6.5, 17.7.4, 17.8.2
Vendor Advisory: https://gitlab.com/gitlab-org/gitlab/-/issues/50849943
Restart Required: Yes
Instructions:
1. Backup your GitLab instance. 2. Update to GitLab EE 17.6.5, 17.7.4, or 17.8.2 depending on your current version. 3. Restart GitLab services. 4. Verify the update was successful.
🔧 Temporary Workarounds
Access Restriction
allTemporarily restrict repository access to only essential users
Network Segmentation
allIsolate GitLab instance from untrusted networks
🧯 If You Can't Patch
- Implement strict access controls and review all repository permissions
- Enable enhanced logging and monitoring for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check GitLab version via admin panel or command lineCheck Version:
sudo gitlab-rake gitlab:env:info | grep VersionVerify Fix Applied:
Verify version is 17.6.5, 17.7.4, or 17.8.2 and test repository access controls📡 Detection & Monitoring
Log Indicators:
- Unauthorized repository access attempts
- Failed authentication followed by successful repository access
Network Indicators:
- Unusual patterns of repository access from unexpected IPs
SIEM Query:
source="gitlab" AND (event="repository_access" OR event="git_operation") AND user NOT IN authorized_users