CVE-2026-3848
Improper Input Validation in GitLab Import Enables SSRF
Publication date: 2026-03-11
Last updated on: 2026-04-16
Assigner: GitLab Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gitlab | gitlab | From 18.8.0 (inc) to 18.8.6 (exc) |
| gitlab | gitlab | From 18.9.0 (inc) to 18.9.2 (exc) |
| gitlab | gitlab | From 18.8.0 (inc) to 18.8.6 (exc) |
| gitlab | gitlab | From 18.9.0 (inc) to 18.9.2 (exc) |
| gitlab | gitlab | From 8.11.0 (inc) to 18.7.6 (exc) |
| gitlab | gitlab | From 8.11.0 (inc) to 18.7.6 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-93 | The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs. |
Attack-Flow Graph
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to version 18.7.6 or later if you are using the 18.7 series, 18.8.6 or later for the 18.8 series, or 18.9.2 or later for the 18.9 series.
Can you explain this vulnerability to me?
This vulnerability in GitLab CE/EE versions before 18.7.6, 18.8.6, and 18.9.2 allows an authenticated user to make unintended internal requests through proxy environments. It occurs due to improper input validation in the import functionality, which could be exploited under certain conditions.
How can this vulnerability impact me? :
The vulnerability could allow an authenticated user to send unintended internal requests, potentially exposing internal services or data that should not be accessible. This could lead to partial confidentiality loss within the affected GitLab environment.
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