GitLabCVE-2026-15975
GitLab: denial of service
High7.5CVE-2026-15975 · Published Jul 29, 2026 · updated Aug 3, 2026
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthenticated user to cause a denial of service due to insufficient resource throttling when processing merge request discussions.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| GitLab Product | >= 11.8, < 19.0.5 | 19.0.5 |
| >= 19.1, < 19.1.3 | 19.1.3 | |
| >= 19.2, < 19.2.1 | 19.2.1 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-770
More GitLab advisories
All GitLab| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 29 | GitLab: information disclosure | High8.5 | 19.0.5+2 more |
| Jul 29 | GitLab: missing authorization | Medium5.3 | 19.0.5+2 more |
| Jul 29 | GitLab: cross-site scripting | Medium4.7 | 19.0.5+2 more |
| Jul 29 | GitLab: improper access control | Medium4.3 | 19.0.5+2 more |
| Jul 29 | GitLab: information disclosure | Medium5.4 | 19.0.5+2 more |
| Jul 29 | GitLab: improper authorization | Medium4.9 | 19.0.5+2 more |