SB2026021125 - Multiple vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE) 



SB2026021125 - Multiple vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE)

Published: February 11, 2026

Security Bulletin ID SB2026021125
Severity
High
Patch available
YES
Number of vulnerabilities 15
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 7% Medium 73% Low 20%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 15 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2025-7659)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to incomplete validation in Web IDE. A remote attacker can steal tokens and access private repositories.


2) Input validation error (CVE-ID: CVE-2025-8099)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in GraphQL introspection. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2026-0958)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in JSON validation middleware. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


4) Cross-site scripting (CVE-ID: CVE-2025-14560)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Code Flow. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


5) Stored cross-site scripting (CVE-ID: CVE-2026-0595)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in test case titles. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


6) Input validation error (CVE-ID: CVE-2026-1458)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Markdown processor. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


7) Input validation error (CVE-ID: CVE-2026-1456)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Markdown Preview. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


8) Input validation error (CVE-ID: CVE-2026-1387)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in dashboard. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


9) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2025-12575)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in Virtual Registry. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


10) Input validation error (CVE-ID: CVE-2026-1094)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper validation in diff parser. A remote user can hide specially crafted file changes from the WebUI.


11) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2025-12073)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in Git repository import. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


12) Improper Authorization (CVE-ID: CVE-2026-1080)

The vulnerability allows a remote user to bypass authorization checks.

The vulnerability exists due to improper authorization in iterations API. A remote user can access iteration data from private descendant groups.


13) Missing Authorization (CVE-ID: CVE-2025-14592)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to missing authorization in GLQL API. A remote attacker can submit GraphQL mutations through the GLQL API endpoint to perform unauthorized operations.


14) Stored cross-site scripting (CVE-ID: CVE-2026-1282)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in project label. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


15) Improper Authorization (CVE-ID: CVE-2025-14594)

The vulnerability allows a remote user to bypass authorization checks.

The vulnerability exists due to improper authorization in Pipeline Schedules API. A remote user can view certain pipeline values.


Remediation

Install update from vendor's website.