CVE-2026-1090

Published: Mar 11, 2026 Last Modified: Mar 13, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,7
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: required
Scope: changed
Confidentiality: high
Integrity: high
Availability: none

Description

AI Translation Available

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the `markdown_placeholders` feature flag was enabled, to inject JavaScript in a browser due to improper sanitization of placeholder content in markdown processing.

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
0,0th
Updated

EPSS Score Trend (Last 6 Days)

79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stable
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Integrity Availability
Potential Impacts:
Bypass Protection Mechanism Read Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML, Web Based, Web Server
View CWE Details
Application

Gitlab by Gitlab

Version Range Affected
From 10.6.0 (inclusive)
To 18.7.6 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Version Range Affected
From 18.9.0 (inclusive)
To 18.9.2 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Version Range Affected
From 18.8.0 (inclusive)
To 18.8.6 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Version Range Affected
From 18.9.0 (inclusive)
To 18.9.2 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Version Range Affected
From 18.8.0 (inclusive)
To 18.8.6 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Gitlab by Gitlab

Version Range Affected
From 10.6.0 (inclusive)
To 18.7.6 (exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-releas…
https://gitlab.com/gitlab-org/gitlab/-/work_items/586478
https://hackerone.com/reports/3502450