GitLab up to 19.2.7/19.3.x/19.4.1 improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in GitLab up to 19.2.7/19.3.x/19.4.1. This issue affects some unknown processing. Executing a manipulation can lead to improper authorization. The identification of this vulnerability is CVE-2026-84284. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in GitLab up to 19.2.7/19.3.x/19.4.1. It has been declared as problematic. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs 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 17.11 before 19.2.8, all 19.3 versions, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to read work item contents from private groups and projects due to incorrect authorization checks.

The advisory is available at gitlab.com. This vulnerability was named CVE-2026-84284 since 09/01/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading to version 19.2.8 or 19.4.2 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

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: Improper authorization
CWE: 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: GitLab 19.2.8/19.4.2

Timelineinfo

09/01/2026 CVE reserved
10/13/2026 +42 days Advisory disclosed
10/13/2026 +0 days VulDB entry created
10/13/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: gitlab.com
Status: Confirmed

CVE: CVE-2026-84284 (🔒)
GCVE (CVE): GCVE-0-2026-84284
GCVE (VulDB): GCVE-100-417454

Entryinfo

Created: 10/13/2026 03:57
Changes: 10/13/2026 03:57 (62)
Complete: 🔍
Cache ID: 216::103

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