CVE-2025-0652
📋 TL;DR
This CVE describes an information disclosure vulnerability in GitLab EE/CE that allows unauthorized users to access confidential information intended for internal use only. The vulnerability affects GitLab instances running specific version ranges, potentially exposing sensitive internal data to unauthenticated or unauthorized actors.
💻 Affected Systems
- GitLab EE
- GitLab CE
📦 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 →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
Unauthorized users could access sensitive internal information such as configuration details, internal documentation, or other confidential data that should be restricted to authenticated users.
Likely Case
Unauthorized users accessing limited internal information that may include configuration details, metadata, or other non-critical but confidential data.
If Mitigated
With proper access controls and network segmentation, the impact would be limited to accessing only low-sensitivity internal information.
🎯 Exploit Status
The vulnerability allows unauthorized access, suggesting exploitation may be straightforward once the specific attack vector is understood.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 17.7.7, 17.8.5, or 17.9.2
Vendor Advisory: https://gitlab.com/gitlab-org/gitlab/-/issues/514532
Restart Required: Yes
Instructions:
1. Backup your GitLab instance. 2. Update GitLab to version 17.7.7, 17.8.5, or 17.9.2 depending on your current version track. 3. Restart GitLab services. 4. Verify the update was successful.
🔧 Temporary Workarounds
Restrict network access
allLimit GitLab instance access to trusted networks only
Configure firewall rules to restrict GitLab access to internal networks only
Implement additional authentication
allAdd additional authentication layers before accessing internal endpoints
Configure web server authentication or implement additional access controls
🧯 If You Can't Patch
- Implement strict network segmentation to isolate GitLab from untrusted networks
- Add additional authentication mechanisms and review all access controls
🔍 How to Verify
Check if Vulnerable:
Check your GitLab version against the affected version ranges: 16.9-17.7.6, 17.8-17.8.4, or 17.9-17.9.1Check Version:
sudo gitlab-rake gitlab:env:info | grep 'Version:'Verify Fix Applied:
Verify GitLab version is 17.7.7, 17.8.5, or 17.9.2 or higher📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to internal endpoints
- Unusual access patterns to internal resources
Network Indicators:
- Unusual traffic to internal GitLab endpoints from unauthorized sources
SIEM Query:
source="gitlab" AND (event_type="access_denied" OR status=403) AND user="anonymous"