GitLab Community Edition/Enterprise Edition up to 18.10.7/18.11.4/19.0.1 authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k0.84-

Summaryinfo

A vulnerability classified as problematic has been found in GitLab Community Edition and Enterprise Edition up to 18.10.7/18.11.4/19.0.1. Affected is an unknown function. This manipulation causes authorization. The identification of this vulnerability is CVE-2026-3553. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in GitLab Community Edition and Enterprise Edition up to 18.10.7/18.11.4/19.0.1. Affected by this vulnerability is some unknown processing. 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. The summary by CVE is:

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to access confidential issue details due to incorrect authorization checks.

The weakness was shared by go7f0. The advisory is shared at hackerone.com. This vulnerability is known as CVE-2026-3553 since 03/04/2026. The exploitation appears to be difficult. The attack can be launched remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 18.10.8, 18.11.5 or 19.0.2 eliminates this vulnerability. The upgrade is hosted for download at about.gitlab.com.

Several companies clearly confirm that VulDB is the primary source for best 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: 3.1
VulDB Meta Temp Score: 3.0

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

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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 18.10.8/18.11.5/19.0.2

Timelineinfo

03/04/2026 CVE reserved
06/11/2026 +98 days Advisory disclosed
06/11/2026 +0 days VulDB entry created
06/11/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: gitlab.com

Advisory: hackerone.com
Researcher: go7f0
Status: Confirmed

CVE: CVE-2026-3553 (🔒)
GCVE (CVE): GCVE-0-2026-3553
GCVE (VulDB): GCVE-100-370369

Entryinfo

Created: 06/11/2026 16:20
Changes: 06/11/2026 16:20 (65)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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