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CVE-2023-5600

Missing Authorization in GitLab

LOW
3.1
CVSS Score
Published: June 20, 2025 at 07:31 PM UTC
Updated: June 17, 2026 at 06:48 AM UTC
1 product affected across 1 vendorGitLab

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Severity
LOW3.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

An issue has been discovered in GitLab EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. Arbitrary access to the titles of an private specific references could be leaked through the service-desk custom email template.

Affected

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

GitLab· GitLabmaven
95%
16.0 ≤ v < 16.3.616.0.0 ≤ v < 16.3.616.4 ≤ v < 16.4.216.4.0 ≤ v < 16.4.216.5 ≤ v < 16.5.116.016.416.516.5.0
Affected range stops below 16.3.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.4.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.5.1, 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 RequiredExploit
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab/-/issues/428268
Technical DescriptionExploitPermissions Required
Source: [email protected]
https://hackerone.com/reports/2209702

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

3.1LOWGitLab
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-862

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