CVE-2026-0958
Last modified
CVE-2026-0958 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 18.4.0, < 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/586202Broken Link, Issue Tracking
- https://hackerone.com/reports/3463363Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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