CVE-2026-15423
High
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.
SeverityHigh
CVSS8.5
Exploit probability—
Product
Gitlab
PublishedAug 12, 2026
First seenAug 12, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- gitlab gitlab19.0.6, 19.1.4, 19.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitlab gitlab | 19.0.0 ≤ v < 19.0.6, 19.1.0 ≤ v < 19.1.4, 19.2.0 ≤ v < 19.2.2 | 19.0.6, 19.1.4, 19.2.2 |
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