CVE-2025-9957 | GitLab Community Edition/Enterprise Edition up to 18.9.5/18.10.3/18.11.0 authorization

VDB-359020 · CVE-2025-9957 · GCVE-0-2025-9957 GITLAB COMMUNITY EDITION/ENTERPRISE EDITION UP TO 18.9.5/18.10.3/18.11.0 AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 2.7 $0-$5k 2.87+ Summaryinfo A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 18.9.5/18.10.3/18.11.0 and classified as problematic. This affects an unknown part. Executing a manipulation can lead to authorization. This vulnerability is registered as CVE-2025-9957. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component. Detailsinfo A vulnerability classified as problematic was found in GitLab Community Edition and Enterprise Edition up to 18.9.5/18.10.3/18.11.0. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect integrity. CVE summarizes: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user with project owner permissions to bypass group fork prevention settings due to improper authorization checks. The weakness was published by theluci. The advisory is shared for download at hackerone.com. This vulnerability was named CVE-2025-9957 since 09/03/2025. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available. Upgrading to version 18.9.6, 18.10.4 or 18.11.1 eliminates this vulnerability. Productinfo Type Bug Tracking Software Vendor GitLab Name Community Edition Enterprise Edition Version 18.0 18.1 18.2 18.3 18.4 18.5 18.6 18.7 18.8 18.9 18.9.0 18.9.1 18.9.2 18.9.3 18.9.4 18.9.5 18.10 18.10.0 18.10.1 18.10.2 18.10.3 18.11.0 License open-source Website Vendor: https://gitlab.com/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 2.7 VulDB Meta Temp Score: 2.7 VulDB Base Score: 2.7 VulDB Temp Score: 2.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 2.7 CNA Vector (GitLab): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Authorization CWE: CWE-863 / CWE-285 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Community Edition/Enterprise Edition 18.9.6/18.10.4/18.11.1 Timelineinfo 09/03/2025 CVE reserved 04/22/2026 +231 days Advisory disclosed 04/22/2026 +0 days VulDB entry created 04/22/2026 +0 days VulDB entry last update Sourcesinfo Vendor: gitlab.com Advisory: hackerone.com Researcher: theluci Status: Confirmed CVE: CVE-2025-9957 (🔒) GCVE (CVE): GCVE-0-2025-9957 GCVE (VulDB): GCVE-100-359020 Entryinfo Created: 04/22/2026 19:00 Changes: 04/22/2026 19:00 (64) Complete: 🔍 Cache ID: 99:E16:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸