Improper Control of Generation of Code ('Code Injection') in GitLab

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-19478
StatePUBLISHED
AssignerGitLab
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-17 20:16:41 UTC
Updated2026-08-18 14:57:10 UTC
DescriptionGitLab 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.

Risk And Classification

Primary CVSS: v3.1 9.4 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

EPSS: 0.007190000 probability, percentile 0.508390000 (date 2026-08-18)

Problem Types: CWE-94 | CWE-94 CWE-94: Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.4CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
3.1CNACVSS9.4CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GitLab GitLab affected 18.2 18.11.11 semver Not specified
CNA GitLab GitLab affected 19.0 19.0.8 semver Not specified
CNA GitLab GitLab affected 19.1 19.1.6 semver Not specified
CNA GitLab GitLab affected 19.2 19.2.4 semver Not specified

References

ReferenceSourceLinkTags
docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released [email protected] docs.gitlab.com
gitlab.com/gitlab-org/gitlab/-/work_items/611377 [email protected] gitlab.com
hackerone.com/reports/3926431 [email protected] hackerone.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Thanks [hiimguardian](https://hackerone.com/hiimguardian) for reporting this vulnerability through our HackerOne bug bounty program (en)

Additional Advisory Data

Solutions

CNA: Upgrade to versions 18.11.11, 19.0.8, 19.1.6, 19.2.4 or above.

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