CVE-2026-1387
Last modified
CVE-2026-1387 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. GitLab has remediated an issue in GitLab EE affecting all versions from 15.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to cause Denial of Service by uploading a malicious file and repeatedly querying it through GraphQl.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 15.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to cause Denial of Service by uploading a malicious file and repeatedly querying it through GraphQl.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 15.6.0, < 18.6.6 |
| Gitlab | Gitlab | >= 18.7.0, < 18.7.4 |
| Gitlab | Gitlab | >= 18.8.0, < 18.8.4 |
References
- https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/587546Broken Link, Issue Tracking
- https://hackerone.com/reports/3515994Broken Link
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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