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

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k1.88-

Summaryinfo

A vulnerability, which was classified as problematic, has been found in GitLab Community Edition and Enterprise Edition up to 18.11.5/19.0.2/19.1.0. Impacted is an unknown function. This manipulation causes authorization. This vulnerability is registered as CVE-2026-5952. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in GitLab Community Edition and Enterprise Edition up to 18.11.5/19.0.2/19.1.0 and classified as problematic. Affected by this vulnerability is an unknown functionality. 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. The summary by CVE is:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 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 authenticated user with developer-role permissions to bypass package protection rules and overwrite protected Maven package metadata due to incorrect authorization checks.

The weakness was published by pkkr. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2026-5952 since 04/09/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 322740 (GitLab 17.11 < 18.11.6 / 19.0 < 19.0.3 / 19.1 < 19.1.1 (CVE-2026-5952)), 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 (322740) and EUVD (EUVD-2026-39173). Statistical analysis made it clear that VulDB provides the best quality 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: 🔍

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: 322740
Nessus Name: GitLab 17.11 < 18.11.6 / 19.0 < 19.0.3 / 19.1 < 19.1.1 (CVE-2026-5952)

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

04/09/2026 CVE reserved
06/25/2026 +77 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: gitlab.com
Researcher: pkkr
Status: Confirmed

CVE: CVE-2026-5952 (🔒)
GCVE (CVE): GCVE-0-2026-5952
GCVE (VulDB): GCVE-100-373675
EUVD: 🔒

Entryinfo

Created: 06/25/2026 08:13
Updated: 06/25/2026 13:52
Changes: 06/25/2026 08:13 (65), 06/25/2026 11:12 (1), 06/25/2026 13:52 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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