GitLab Community Edition/Enterprise Edition up to 18.3.5/18.4.3/18.5.1 OAuth authorization

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in GitLab Community Edition and Enterprise Edition up to 18.3.5/18.4.3/18.5.1. This issue affects some unknown processing of the component OAuth. Executing a manipulation can lead to authorization. This vulnerability appears as CVE-2025-7736. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in GitLab Community Edition and Enterprise Edition up to 18.3.5/18.4.3/18.5.1. This vulnerability affects an unknown functionality of the component OAuth. 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:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to bypass access control restrictions and view GitLab Pages content intended only for project members by authenticating through OAuth providers.

The weakness was presented by mateuszek as 556098. The advisory is available at about.gitlab.com. This vulnerability was named CVE-2025-7736 since 07/17/2025. The exploitation appears to be difficult. The attack can be initiated remotely. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 298852 (GitLab 17.9 < 18.3.6 / 18.4 < 18.4.4 / 18.5 < 18.5.2 (CVE-2025-7736)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.3.6, 18.4.4 or 18.5.2 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.

The vulnerability is also documented in the databases at Tenable (298852), EUVD (EUVD-2025-197694) and CERT Bund (WID-SEC-2025-2587). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Open Source GitLab

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔒

CNA Base Score: 3.1
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: 🔒

0-DayUnlockUnlockUnlockUnlock
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Nessus ID: 298852
Nessus Name: GitLab 17.9 < 18.3.6 / 18.4 < 18.4.4 / 18.5 < 18.5.2 (CVE-2025-7736)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 18.3.6/18.4.4/18.5.2

Timelineinfo

07/17/2025 CVE reserved
11/15/2025 +121 days Advisory disclosed
11/15/2025 +0 days VulDB entry created
02/13/2026 +90 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: 556098
Researcher: mateuszek
Status: Confirmed

CVE: CVE-2025-7736 (🔒)
GCVE (CVE): GCVE-0-2025-7736
GCVE (VulDB): GCVE-100-332578
EUVD: 🔒
CERT Bund: WID-SEC-2025-2587 - GitLab: Mehrere Schwachstellen

Entryinfo

Created: 11/15/2025 14:44
Updated: 02/13/2026 14:33
Changes: 11/15/2025 14:44 (67), 11/15/2025 19:02 (1), 11/16/2025 19:01 (7), 11/20/2025 07:19 (11), 02/13/2026 14:33 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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