CVE-2026-2845
Denial of Service in GitLab Bitbucket Import Endpoint
Publication date: 2026-02-25
Last updated on: 2026-02-28
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 18.8.5 (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 11.2.0 (inc) to 18.7.5 (exc) |
| gitlab | gitlab | From 11.2.0 (inc) to 18.7.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-770 | The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in GitLab CE/EE versions from 11.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1. It allows an authenticated user to cause a denial of service by exploiting the Bitbucket Server import endpoint. The attack involves repeatedly sending large responses to this endpoint, which can disrupt normal service.
How can this vulnerability impact me? :
The primary impact of this vulnerability is denial of service (DoS). An authenticated user can exploit the Bitbucket Server import endpoint to repeatedly send large responses, potentially causing the GitLab service to become unavailable or unresponsive.
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?
I don't know