CVE-2023-4532

Incorrect Authorization in GitLab

MEDIUM

4.3

CVSS Score

Published: September 29, 2023 at 06:02 AM UTC

Updated: June 17, 2026 at 06:38 AM UTC

1 product affected across 1 vendorGitLab

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Severity

MEDIUM4.3

Exploit prediction

EPSS 0.5%

SSVC

PoC

Description

An issue has been discovered in GitLab affecting all versions starting from 16.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. Users were capable of linking CI/CD jobs of private projects which they are not a member of.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab · GitLabmaven

95%

16.2 ≤ v < 16.2.816.3 ≤ v < 16.3.516.3.0 ≤ v < 16.3.516.4 ≤ v < 16.4.116.2 16.3 16.4 16.4.0

Affected range stops below 16.2.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.4.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Issue TrackingPermissions RequiredBroken Link

Source: [email protected]

https://gitlab.com/gitlab-org/gitlab/-/issues/423357

Technical DescriptionExploitPermissions Required

Source: [email protected]

https://hackerone.com/reports/2084199

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMGitLab

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-863NVD-CWE-noinfo

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