GitLab 15.1/19.2.7/19.3.4/19.4.1 improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in GitLab 15.1/19.2.7/19.3.4/19.4.1. This impacts an unknown function. Executing a manipulation can lead to improper authorization. This vulnerability appears as CVE-2026-5954. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in GitLab 15.1/19.2.7/19.3.4/19.4.1. This vulnerability affects an unknown part. 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 15.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed a user to download package files from a public project due to improper authorization checks.

The advisory is shared for download at gitlab.com. This vulnerability was named CVE-2026-5954 since 04/09/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading to version 19.2.8, 19.3.5 or 19.4.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-3858). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Red Hat Enterprise Linux
  • Open Source GitLab

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.2
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 19.2.8/19.3.5/19.4.2

Timelineinfo

04/09/2026 CVE reserved
10/13/2026 +187 days Advisory disclosed
10/13/2026 +0 days VulDB entry created
10/29/2026 +16 days VulDB entry last update

Sourcesinfo

Advisory: gitlab.com
Status: Confirmed

CNA: GitLab
CVE: CVE-2026-5954 (🔒)

GCVE (CVE): GCVE-0-2026-5954
GCVE (VulDB): GCVE-100-417448
CERT Bund: WID-SEC-2026-3858 - GitLab: Mehrere Schwachstellen

Entryinfo

Created: 10/13/2026 03:53
Updated: 10/29/2026 21:46
Changes: 10/13/2026 03:53 (62), 10/29/2026 21:46 (6)
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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