GitLab Community Edition/Enterprise Edition up to 18.9.5/18.10.3/18.11.0 authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.7$0-$5k0.00

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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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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: 216::103

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