CVE-2026-1102
BaseFortify
Publication date: 2026-01-22
Last updated on: 2026-01-26
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 12.3.0 (inc) to 18.6.4 (exc) |
| gitlab | gitlab | From 12.3.0 (inc) to 18.6.4 (exc) |
| gitlab | gitlab | From 18.7.0 (inc) to 18.7.2 (exc) |
| gitlab | gitlab | From 18.7.0 (inc) to 18.7.2 (exc) |
| gitlab | gitlab | From 18.8.0 (inc) to 18.8.2 (exc) |
| gitlab | gitlab | From 18.8.0 (inc) to 18.8.2 (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 in GitLab CE/EE allows an unauthenticated user to cause a denial of service by sending repeated malformed SSH authentication requests. It affects versions from 12.3 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2.
How can this vulnerability impact me? :
The impact of this vulnerability is a denial of service condition, meaning an attacker could disrupt the availability of the GitLab service by sending repeated malformed SSH authentication requests without needing to authenticate.
What immediate steps should I take to mitigate this vulnerability?
Update GitLab CE/EE to version 18.6.4 or later, 18.7.2 or later, or 18.8.2 or later, depending on your current version, to apply the fix that prevents unauthenticated users from creating a denial of service condition via malformed SSH authentication requests.