CVE-2026-19478
Improper Control of Generation of Code ('Code Injection') in GitLab
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper Control of Generation of Code ('Code Injection') in GitLab
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.
- Record
CVE-2026-19478- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2026-60443
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.
- Record
EUVD-2026-60443- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6whr-xjjm-6pf8
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11,...
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.
- Record
GHSA-6whr-xjjm-6pf8- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-19478- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV
Improper Control of Generation of Code ('Code Injection') in GitLab
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.
- Record
CVE-2026-19478- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVBIT-gitlab-2026-19478 No score
Improper Control of Generation of Code ('Code Injection') in GitLab
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.
- Record
BIT-gitlab-2026-19478- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gitlabBitnami |
18.2.0 up to 18.11.11, 19.0.0 up to 19.0.8, 19.1.0 up to 19.1.6, 19.2.0 up to 19.2.4 | 18.11.1119.0.819.1.619.2.4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | GitLab CE/EE - GraphQL @gl_introduced Arbitrary Method Invocation | |
| PoC in GitHub | EQSTLab/CVE-2026-19478 | 2026-08-27 |
| PoC in GitHub | davkharrr/CVE-2026-19478-PoC | 2026-08-18 |
| PoC in GitHub | dinosn/gitlab-cve-2026-19478-lab | 2026-08-18 |
| PoC in GitHub | n0xdaemon/cve-2026-19478 | 2026-08-20 |
| PoC in GitHub | renzi25031469/CVE-2026-19478 | 2026-08-19 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-19478 is a critical vulnerability (CVSS 9.4) in Gitlab, published August 17, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. Fixed in gitlab 18.11.11.
References
gitlab.com/gitlab-org/gitlab/-/work_items/611377
hackerone.com/reports/3926431
docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released
nvd.nist.gov/vuln/detail/CVE-2026-19478
github.com/advisories/GHSA-6whr-xjjm-6pf8