CVE-2026-16301
High
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user with Developer role to execute CI/CD pipelines on protected branches without authorization due to improper authorization checks in the downstream pipeline creation service.
SeverityHigh
CVSS8.5
Exploit probability—
Product
Gitlab
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- gitlab gitlab19.2.8, 19.3.5, 19.4.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitlab gitlab | 18.7.0 ≤ v < 19.2.8, 19.3.0 ≤ v < 19.3.5, 19.4.0 ≤ v < 19.4.2 | 19.2.8, 19.3.5, 19.4.2 |
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