CVE-2023-4018

MEDIUM 4.3

Direct Request ('Forced Browsing') in GitLab

CVSS Score

4.3

EPSS Score

0.1%

EPSS Percentile

26th

An issue has been discovered in GitLab affecting all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. Due to improper permission validation it was possible to create model experiments in public projects.

CWE	CWE-425
Vendor	gitlab
Product	gitlab
Ecosystems	DevTools
Industries	Technology
Published	Sep 1, 2023
Last Updated	Apr 27, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

GitLab / GitLab

16.2 < 16.2.5 16.3 < 16.3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/issues/420301 hackerone.com: https://hackerone.com/reports/2083440

Credits

Thanks [ricardobrito](https://hackerone.com/ricardobrito) for reporting this vulnerability through our HackerOne bug bounty program.