CVE-2026-15975
Received
Received - Intake
Denial of Service in GitLab CE/EE Due to Insufficient Throttling
Vulnerability report for CVE-2026-15975, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-07-29
Last updated on: 2026-07-29
Assigner: GitLab Inc.
Description
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gitlab | gitlab_ce | From 11.8 (inc) to 19.0.5 (exc) |
| gitlab | gitlab_ee | From 11.8 (inc) to 19.0.5 (exc) |
| gitlab | gitlab_ce | From 19.1 (inc) to 19.1.3 (exc) |
| gitlab | gitlab_ee | From 19.1 (inc) to 19.1.3 (exc) |
| gitlab | gitlab_ce | From 19.2 (inc) to 19.2.1 (exc) |
| gitlab | gitlab_ee | From 19.2 (inc) to 19.2.1 (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. |