CVE-2026-19478: Improper Control of Generation of Code ('Code Injection') in GitLab
Critical 9.1 EPSS 2.2% GitLab CE/EE
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 allow an unauthenticated user to remotely modify or delete public projects and user data via a GraphQL directive.
- CVE-2026-19478CVE identifier
- 9.1CVSS 3.1 base score (critical)
- 2.2%EPSS: chance of exploitation in the next 30 days (higher than 82% of CVEs)
- 2026-08-17published
What do these terms mean? CVE · CVSS score · exploited (KEV) · EPSS · backported fix · all terms
What to do now
- Check whether you run GitLab CE/EE and which version (commands below).
- Install the fixed version for your system: see “Patch it” below.
- Omnibus: the package upgrade runs gitlab-ctl reconfigure and restarts services; check with sudo gitlab-ctl status
Affected and fixed versions
Affected:
- GitLab GitLab 18.2 to before 18.11.11
- GitLab GitLab 19.0 to before 19.0.8
- GitLab GitLab 19.1 to before 19.1.6
- GitLab GitLab 19.2 to before 19.2.4
Patch it
Use the commands for your system. Distribution packages often keep an older version number with the fix backported, so compare with the fixed package versions in the table below, not only with the upstream version.
Debian
not in distro repos: packages.gitlab.com gitlab-ce / gitlab-eeUbuntu
not in distro repos: packages.gitlab.com gitlab-ce / gitlab-eeRHEL, AlmaLinux, Rocky, Oracle
not in distro repos: packages.gitlab.com gitlab-ce / gitlab-eeFedora
not packagedSUSE / openSUSE
not in distro repos: packages.gitlab.com gitlab-ce / gitlab-eeAmazon Linux
not in distro repos: packages.gitlab.com gitlab-eeArch Linux
sudo pacman -SyuAlpine
apk update && apk upgrade gitlab-runner (runner only)FreeBSD
pkg update && pkg upgrade gitlab-ceGeneral update steps for every system are on the Linux and Unix & BSD pages; after updating, see which services to restart.
Sources
- https://gitlab.com/gitlab-org/gitlab/-/work_items/611377
- https://hackerone.com/reports/3926431
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/
- CVE-2026-19478 on CVE.org
- CVE-2026-19478 on NVD
Page generated automatically from official sources on 2026-11-03 18:05 UTC. Always confirm with your vendor's advisory.