CVE-2026-5173

Published: Apr 08, 2026 Last Modified: Apr 16, 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: high
Integrity: low
Availability: none

Description

AI Translation Available

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to invoke unintended server-side methods through websocket connections due to improper access control.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0002
Percentile
0,1th
Updated

EPSS Score Trend (Last 8 Days)

749

Exposed Dangerous Method or Function

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability Access Control Other
Potential Impacts:
Gain Privileges Or Assume Identity Read Application Data Modify Application Data Execute Unauthorized Code Or Commands Other
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: Low
View CWE Details
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 18.9.0 (inclusive)
To 18.9.5 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 16.9.6 (inclusive)
To 18.8.9 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 16.9.6 (inclusive)
To 18.8.9 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 18.9.0 (inclusive)
To 18.9.5 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 18.10.0 (inclusive)
To 18.10.3 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Product Information
Vendor Gitlab
Product Gitlab
Version Range Affected
From 18.10.0 (inclusive)
To 18.10.3 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://about.gitlab.com/releases/2026/04/08/patch-release-…
https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-relea…
https://gitlab.com/gitlab-org/gitlab/-/work_items/588959
https://gitlab.com/gitlab-org/gitlab/-/work_items/588959