CVE-2026-19650
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could have allowed an unauthenticated user to execute mutations…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could have allowed an unauthenticated user to execute mutations via GET requests due to improper request validation in GraphQL multiplex query handling.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
- EPSS
- 0.47% probability · 40th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- gitlab/gitlab
- Source
- cve@gitlab.com
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/612617Not Applicable
- https://hackerone.com/reports/3903669Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.