SB2026031246 - Multiple vulnerabilities in GitLab Community Edition (CE) and Enterprise Edition (EE)
Published: March 12, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 15 vulnerabilities.
1) Missing Authorization (CVE-ID: CVE-2026-1663)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper authorization validation in the group import process. A remote user can create labels in private projects.
2) Missing Authorization (CVE-ID: CVE-2025-12704)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper authorization validation in Virtual Registry. A remote user can access Virtual Registry data in groups where they are not members.
3) Use of Incorrectly-Resolved Name or Reference (CVE-ID: CVE-2026-1230)
CWE-ID: CWE-706 - Use of Incorrectly-Resolved Name or Reference
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to incorrect validation of branch references in repository download. A remote user can cause repository downloads to contain different code than displayed in the web interface.
4) Improper Removal of Sensitive Information Before Storage or Transfer (CVE-ID: CVE-2026-1732)
CWE-ID: CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to improper filtering in inaccessible issues. A remote user can gain unauthorized access to sensitive information on the system.
5) Improper access control (CVE-ID: CVE-2026-0602)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper filtering in the snippet rendering process. A remote user can bypass implemented security restrictions and disclose metadata from private issues, merge requests, epics, milestones or commits.
6) Improper access control (CVE-ID: CVE-2025-12555)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in runners API. A remote user can bypass implemented security restrictions and access previous pipeline job information on projects with repository and CI/CD disabled.
7) CRLF injection (CVE-ID: CVE-2026-3848)
CWE-ID: CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to inject arbitrary data in server response.
The vulnerability exists due to insufficient validation of attacker-supplied data in import functionality. A remote user can pass specially crafted data to the application containing CR-LF characters and modify application behavior.
8) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-12576)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of webhook response data. A remote user can pass specially crafted input to the application and cause a denial of service condition on the target system.
9) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-13690)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation on webhook custom header names. A remote user can pass specially crafted input to the application and cause a denial of service condition on the target system.
10) Input validation error (CVE-ID: CVE-2025-14513)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
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 protected branches API. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
11) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-13929)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to allocation of resources without limits or throttling in repository archive endpoint. A remote attacker can pass specially crafted input to the application and cause a denial of service condition on the target system.
12) Uncontrolled Recursion (CVE-ID: CVE-2026-1069)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncontrolled recursion in GraphQL API. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
13) Cross-site scripting (CVE-ID: CVE-2026-1090)
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
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 Markdown placeholder processing. 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.
14) Improper Encoding or Escaping of Output (CVE-ID: CVE-2025-12697)
CWE-ID: CWE-116 - Improper Encoding or Escaping of Output
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to improper encoding or escaping of output in Datadog integration. A remote administrator can reveal Datadog API credentials.
15) Improper Removal of Sensitive Information Before Storage or Transfer (CVE-ID: CVE-2026-1182)
CWE-ID: CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to improper filtering in confidential issues. A remote user can gain unauthorized access to confidential issue titles created in public projects.
Remediation
Install update from vendor's website.