Skip to main content

GitLab EE CVE-2026-15387

| EUVDEUVD-2026-66429 MEDIUM
Acceptance of Extraneous Untrusted Data With Trusted Data (CWE-349)
2026-08-26 GitLab GHSA-8x29-wc3v-56mg
4.3
CVSS 3.1 · Vendor: GitLab
Share

Severity by source

Vendor (GitLab) PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
3.1 LOW

Elevating AC to H versus vendor's AC:L to reflect the 'under certain conditions' qualifier; all other metrics align with authenticated developer access and integrity-only impact.

3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (GitLab).

CVSS VectorVendor: GitLab

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

Lifecycle Timeline

3
Patch available
Aug 26, 2026 - 15:02 EUVD
Analysis Generated
Aug 26, 2026 - 14:35 vuln.today
CVE Published
Aug 26, 2026 - 13:36 cve.org
MEDIUM 4.3

DescriptionCVE.org

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with developer-role permissions could have influenced the execution environment of Pipeline Execution Policy enforcement jobs, due to improper handling of job dependencies.

AnalysisAI

Improper job dependency handling in GitLab Enterprise Edition's Pipeline Execution Policy enforcement allows an authenticated developer-role user to influence the execution environment of policy enforcement jobs. Affected versions span the 19.1, 19.2, and 19.3 release trains prior to their respective patches. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Persist
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated session with at minimum developer-role permissions on a GitLab EE project or group where Pipeline Execution Policies are actively configured and enforced. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 4.3 (Medium) with vector AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N reflects a low-to-moderate raw score, but several signals warrant closer attention. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to the vendor-patched releases: GitLab EE 19.1.7, 19.2.5, or 19.3.1, as documented at https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

More in Gitlab

View all
CVE-2021-22205 CRITICAL POC
10.0 Apr 23

An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.9. Rated critical severity (CVSS 10

CVE-2023-7028 CRITICAL POC
10.0 Jan 12

An issue has been discovered in GitLab CE/EE affecting all versions from 16.1 prior to 16.1.6, 16.2 prior to 16.2.9, 16.

CVE-2013-4490 MEDIUM POC
6.5 May 13

The SSH key upload feature (lib/gitlab_keys.rb) in gitlab-shell before 1.7.3, as used in GitLab 5.0 before 5.4.1 and 6.x

CVE-2022-2992 CRITICAL POC
9.9 Oct 17

A vulnerability in GitLab CE/EE affecting all versions from 11.10 prior to 15.1.6, 15.2 to 15.2.4, 15.3 to 15.3.2 allows

CVE-2018-18843 CRITICAL POC
10.0 Dec 04

The Kubernetes integration in GitLab Enterprise Edition 11.x before 11.2.8, 11.3.x before 11.3.9, and 11.4.x before 11.4

CVE-2024-45409 CRITICAL POC
9.8 Sep 10

The Ruby SAML library is for implementing the client side of a SAML authorization. Rated critical severity (CVSS 9.8), t

CVE-2022-1162 CRITICAL POC
9.8 Apr 04

A hardcoded password was set for accounts registered using an OmniAuth provider (e.g. Rated critical severity (CVSS 9.8)

CVE-2022-0735 CRITICAL POC
9.8 Mar 28

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.10 before 14.6.5, all versions star

CVE-2021-22175 CRITICAL POC
9.8 Jun 11

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab af

CVE-2021-22203 CRITICAL POC
9.8 Apr 02

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7.9 before 13.8.7, all versions sta

CVE-2019-15741 CRITICAL POC
9.8 Sep 16

An issue was discovered in GitLab Omnibus 7.4 through 12.2.1. Rated critical severity (CVSS 9.8), this vulnerability is

CVE-2019-6960 CRITICAL POC
9.8 Sep 09

An issue was discovered in GitLab Community and Enterprise Edition 9.x, 10.x, and 11.x before 11.5.8, 11.6.x before 11.6

Share

CVE-2026-15387 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy