Access Control Check Implemented After Asset is Accessed in GitLab

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86341
StatePUBLISHED
AssignerGitLab
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 08:16:40 UTC
Updated2026-09-28 19:04:45 UTC
DescriptionGitLab has remediated an issue in GitLab EE affecting all versions from 17.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user with Owner or Maintainer permissions could have silently disabled protected environment deployment approval requirements, allowing unapproved deployments to reach production, due to improper access control checks performed after the protected resource was modified.

Risk And Classification

Primary CVSS: v3.1 4.4 MEDIUM from [email protected]

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

EPSS: 0.003180000 probability, percentile 0.247040000 (date 2026-09-16)

Problem Types: CWE-1280 | CWE-1280 CWE-1280: Access Control Check Implemented After Asset is Accessed

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
3.1CNACVSS4.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Gitlab Gitlab All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GitLab GitLab affected 17.1 19.1.8 semver Not specified
CNA GitLab GitLab affected 19.2 19.2.6 semver Not specified
CNA GitLab GitLab affected 19.3 19.3.2 semver Not specified

References

ReferenceSourceLinkTags
gitlab.com/gitlab-org/gitlab/-/work_items/600088 [email protected] gitlab.com Broken Link
docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released [email protected] docs.gitlab.com Release Notes, Vendor Advisory
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: This vulnerability has been discovered internally by GitLab team member Peter Arts (en)

Additional Advisory Data

Solutions

CNA: Upgrade to versions 19.1.8, 19.2.6, 19.3.2 or above.

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