GitLab Enterprise Edition up to 17.11.5/18.0.3/18.1.1 API Request authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in GitLab Enterprise Edition up to 17.11.5/18.0.3/18.1.1. Affected by this vulnerability is an unknown functionality of the component API Request Handler. Executing a manipulation can lead to authorization. The identification of this vulnerability is CVE-2025-3396. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in GitLab Enterprise Edition up to 17.11.5/18.0.3/18.1.1. This vulnerability affects an unknown code block of the component API Request Handler. 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 confidentiality. CVE summarizes:

An issue has been discovered in GitLab EE affecting all versions from 13.3 before 17.11.6, 18.0 before 18.0.4, and 18.1 before 18.1.2 that could have allowed authenticated project owners to bypass group-level forking restrictions by manipulating API requests.

The weakness was shared by theluci. The advisory is shared for download at gitlab.com. This vulnerability was named CVE-2025-3396 since 04/07/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 241691 (GitLab 13.3 < 17.11.6 / 18.0 < 18.0.4 / 18.1 < 18.1.2 (CVE-2025-3396)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 17.11.6, 18.0.4 or 18.1.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (241691) and EUVD (EUVD-2025-20986). 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: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔒

CNA Base Score: 4.3
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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Nessus ID: 241691
Nessus Name: GitLab 13.3 < 17.11.6 / 18.0 < 18.0.4 / 18.1 < 18.1.2 (CVE-2025-3396)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Enterprise Edition 17.11.6/18.0.4/18.1.2

Timelineinfo

04/07/2025 CVE reserved
07/10/2025 +94 days Advisory disclosed
07/10/2025 +0 days VulDB entry created
07/25/2025 +15 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: gitlab.com
Researcher: theluci
Status: Confirmed

CVE: CVE-2025-3396 (🔒)
GCVE (CVE): GCVE-0-2025-3396
GCVE (VulDB): GCVE-100-315964
EUVD: 🔒

Entryinfo

Created: 07/10/2025 11:36
Updated: 07/25/2025 21:02
Changes: 07/10/2025 11:36 (65), 07/10/2025 14:45 (1), 07/11/2025 01:36 (2), 07/25/2025 21:02 (10)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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