GitLab Enterprise Edition up to 18.10.6/18.11.3/19.0.0 authorization

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

Summaryinfo

A vulnerability was found in GitLab Enterprise Edition up to 18.10.6/18.11.3/19.0.0. It has been classified as problematic. This affects an unknown part. This manipulation causes authorization. This vulnerability is handled as CVE-2026-5296. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in GitLab Enterprise Edition up to 18.10.6/18.11.3/19.0.0 and classified as problematic. Affected by this vulnerability is an unknown code block. 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 integrity. The summary by CVE is:

GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that when foundational flows were enabled at the group level, could have allowed an authenticated user with developer-role permissions to bypass flow restrictions under certain conditions.

The weakness was released by rogerace. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2026-5296 since 04/01/2026. 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 317988 (Linux Distros Unpatched Vulnerability : CVE-2026-5296), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 18.10.7, 18.11.4 or 19.0.1 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.

The vulnerability is also documented in the databases at Tenable (317988) and EUVD (EUVD-2026-32619). Be aware that VulDB is the high quality 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: 🔍

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-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: 🔒

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Nessus ID: 317988
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-5296

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Enterprise Edition 18.10.7/18.11.4/19.0.1

Timelineinfo

04/01/2026 CVE reserved
05/27/2026 +56 days Advisory disclosed
05/27/2026 +0 days VulDB entry created
06/01/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: gitlab.com
Researcher: rogerace
Status: Confirmed

CVE: CVE-2026-5296 (🔒)
GCVE (CVE): GCVE-0-2026-5296
GCVE (VulDB): GCVE-100-366511
EUVD: 🔒

Entryinfo

Created: 05/27/2026 21:59
Updated: 06/01/2026 06:27
Changes: 05/27/2026 21:59 (65), 05/28/2026 00:36 (1), 06/01/2026 06:27 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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