CVE-2026-15423

Published: Ago 12, 2026 Last Modified: Ago 12, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: low
Integrity: high
Availability: none

Description

AI Translation Available

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.

863

Incorrect Authorization

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Access Control Availability
Potential Impacts:
Read Application Data Read Files Or Directories Modify Application Data Modify Files Or Directories Gain Privileges Or Assume Identity Bypass Protection Mechanism Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)
Applicable Platforms
Technologies: Web Server, Database Server, Not Technology-Specific
Likelihood of Exploit: High
View CWE Details
https://docs.gitlab.com/releases/patches/patch-release-gitl…
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/605705
https://gitlab.com/gitlab-org/gitlab/-/work_items/605705
https://hackerone.com/reports/3832069
https://hackerone.com/reports/3832069