CVE-2023-4912
LOWGitLab 10.5-16.4.2, 16.5-16.5.2, 16.6 - Client-Side Denial of Service via Malicious Mermaid Diagram Input
Title source: llmDescription
An issue has been discovered in GitLab EE affecting all versions starting from 10.5 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted mermaid diagram input.
References (2)
Core 2
Core References
Broken Link, Vendor Advisory issue-tracking
permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/424882
Permissions Required, Third Party Advisory technical-description
exploit
permissions-required
https://hackerone.com/reports/2137421
Scores
CVSS v3
2.6
EPSS
0.0006
EPSS Percentile
18.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L
Details
CWE
CWE-770
Status
published
Products (5)
gitlab/gitlab
16.6.0
GitLab/GitLab
10.5 - 16.4.3
gitlab/gitlab
10.5.0 - 16.4.3
GitLab/GitLab
16.5 - 16.5.3
GitLab/GitLab
16.6 - 16.6.1
Published
Dec 01, 2023
Tracked Since
Feb 18, 2026