Authentication Bypass by Spoofing in GitLab (CVE-2024-1347)
GitLab CE/EE contains an authentication bypass vulnerability (CVE-2024-1347) affecting multiple version ranges before fixed releases. An attacker can exploit crafted email addresses to bypass domain-based restrictions on an instance or group under certain conditions. This issue affects versions prior to 16.9.6, versions from 16.10.0 up to but not including 16.10.4, and versions from 16.11.0 up to but not including 16.11.1. A patch is available to address this vulnerability.
AI Analysis
Technical Summary
CVE-2024-1347 is an authentication bypass vulnerability in GitLab Community and Enterprise Editions. It allows an attacker to bypass domain-based restrictions by using a specially crafted email address. The vulnerability affects all versions before 16.9.6, all versions starting from 16.10.0 before 16.10.4, and all versions starting from 16.11.0 before 16.11.1. This flaw could enable unauthorized access to restricted instances or groups. The vendor has released patches to fix the issue in versions 16.9.6, 16.10.4, and 16.11.1.
Potential Impact
An attacker exploiting this vulnerability can bypass domain-based access restrictions on GitLab instances or groups, potentially gaining unauthorized access to resources that should be restricted. This could lead to unauthorized actions within the affected GitLab environment. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. Users should upgrade affected GitLab CE/EE instances to versions 16.9.6, 16.10.4, or 16.11.1 or later to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Authentication Bypass by Spoofing in GitLab (CVE-2024-1347)
Description
GitLab CE/EE contains an authentication bypass vulnerability (CVE-2024-1347) affecting multiple version ranges before fixed releases. An attacker can exploit crafted email addresses to bypass domain-based restrictions on an instance or group under certain conditions. This issue affects versions prior to 16.9.6, versions from 16.10.0 up to but not including 16.10.4, and versions from 16.11.0 up to but not including 16.11.1. A patch is available to address this vulnerability.
Affected software
pkg:bitnami/gitlabRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-1347 is an authentication bypass vulnerability in GitLab Community and Enterprise Editions. It allows an attacker to bypass domain-based restrictions by using a specially crafted email address. The vulnerability affects all versions before 16.9.6, all versions starting from 16.10.0 before 16.10.4, and all versions starting from 16.11.0 before 16.11.1. This flaw could enable unauthorized access to restricted instances or groups. The vendor has released patches to fix the issue in versions 16.9.6, 16.10.4, and 16.11.1.
Potential Impact
An attacker exploiting this vulnerability can bypass domain-based access restrictions on GitLab instances or groups, potentially gaining unauthorized access to resources that should be restricted. This could lead to unauthorized actions within the affected GitLab environment. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. Users should upgrade affected GitLab CE/EE instances to versions 16.9.6, 16.10.4, or 16.11.1 or later to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-gitlab-2024-1347
- Osv Schema Version
- 1.5.0
- Aliases
- ["CVE-2024-1347"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- Medium
Threat ID: 6aa329a391cc7f3848d1c735
Added to database: 09/10/2026, 22:05:23 UTC
Last enriched: 09/10/2026, 22:36:06 UTC
Last updated: 09/11/2026, 00:20:33 UTC
Views: 7
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