CVE-2026-1747
Privilege Escalation in GitLab EE Allows Unauthorized Package Modification
Publication date: 2026-02-25
Last updated on: 2026-02-28
Assigner: GitLab Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gitlab | gitlab | From 18.8.0 (inc) to 18.8.5 (exc) |
| gitlab | gitlab | From 18.8.0 (inc) to 18.8.5 (exc) |
| gitlab | gitlab | 18.9.0 |
| gitlab | gitlab | 18.9.0 |
| gitlab | gitlab | From 17.11.0 (inc) to 18.7.5 (exc) |
| gitlab | gitlab | From 17.11.0 (inc) to 18.7.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-288 | The product requires authentication, but the product has an alternate path or channel that does not require authentication. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in GitLab EE affects versions from 17.11 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1. Under certain conditions, it could allow users with the Developer role, who normally have limited privileges, to make unauthorized changes to protected Conan packages.
How can this vulnerability impact me? :
The impact of this vulnerability is that Developer-role users could modify protected Conan packages without proper authorization. This could lead to unauthorized changes in package contents, potentially compromising the integrity and reliability of software dependencies managed through GitLab.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade GitLab EE to a fixed version. Specifically, update to version 18.7.5 or later if you are on the 17.11 to before 18.7.5 range, to 18.8.5 or later if you are on 18.8 before 18.8.5, or to 18.9.1 or later if you are on 18.9 before 18.9.1.