GitLab Community Edition/Enterprise Edition up to 18.11.5/19.0.2/19.1.0 Public Project authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.63-

Summaryinfo

A vulnerability described as problematic has been identified in GitLab Community Edition and Enterprise Edition up to 18.11.5/19.0.2/19.1.0. This affects an unknown part of the component Public Project Handler. Executing a manipulation can lead to authorization. This vulnerability is tracked as CVE-2026-2238. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in GitLab Community Edition and Enterprise Edition up to 18.11.5/19.0.2/19.1.0. This vulnerability affects an unknown code block of the component Public Project Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality. CVE summarizes:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an unauthenticated user to view confidential issue references on public projects due to improper authorization checks.

The weakness was disclosed by modhanami. The advisory is shared for download at hackerone.com. This vulnerability was named CVE-2026-2238 since 02/09/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 322742 (GitLab 17.5 < 18.11.6 / 19.0 < 19.0.3 / 19.1 < 19.1.1 (CVE-2026-2238)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.11.6, 19.0.3 or 19.1.1 eliminates this vulnerability. The upgrade is hosted for download at docs.gitlab.com.

The vulnerability is also documented in the databases at Tenable (322742) and EUVD (EUVD-2026-39177). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
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-862 / CWE-863 / CWE-285
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: 322742
Nessus Name: GitLab 17.5 < 18.11.6 / 19.0 < 19.0.3 / 19.1 < 19.1.1 (CVE-2026-2238)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 18.11.6/19.0.3/19.1.1

Timelineinfo

02/09/2026 CVE reserved
06/25/2026 +135 days Advisory disclosed
06/25/2026 +0 days VulDB entry created
06/25/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: hackerone.com
Researcher: modhanami
Status: Confirmed

CVE: CVE-2026-2238 (🔒)
GCVE (CVE): GCVE-0-2026-2238
GCVE (VulDB): GCVE-100-373672
EUVD: 🔒

Entryinfo

Created: 06/25/2026 08:13
Updated: 06/25/2026 13:52
Changes: 06/25/2026 08:13 (66), 06/25/2026 10:58 (1), 06/25/2026 13:52 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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