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CVE-2026-3254

🗓️ 22 Apr 2026 16:29:48Reported by AttackerKBType 
attackerkb
 attackerkb
🔗 attackerkb.com👁 6 Views

GitLab CE/EE prior to 18.11.1 allowed authenticated users to load unauthorized content in a browser via Mermaid sandbox input validation.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-3254
22 Apr 202612:50
circl
cnnvd
CNNVD
GitLab CE/EE 安全漏洞
22 Apr 202600:00
cnnvd
cve
CVE
CVE-2026-3254
22 Apr 202616:29
cve
cvelist
Cvelist
CVE-2026-3254 Improper Restriction of Rendered UI Layers or Frames in GitLab
22 Apr 202616:29
cvelist
debiancve
Debian CVE
CVE-2026-3254
22 Apr 202616:29
debiancve
euvd
EUVD
EUVD-2026-24961
22 Apr 202618:31
euvd
nessus
Tenable Nessus
FreeBSD : Gitlab -- vulnerabilities (73b927a6-3ecd-11f1-be20-2cf05da270f3)
23 Apr 202600:00
nessus
nessus
Tenable Nessus
GitLab 18.11 < 18.11.1 (CVE-2026-3254)
22 Apr 202600:00
nessus
ncsc
NCSC
Vulnerabilities handled in GitLab EE and CE
23 Apr 202611:21
ncsc
nvd
NVD
CVE-2026-3254
22 Apr 202617:16
nvd
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gitlabgitlabMatch18.11

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22 Apr 2026 17:30Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.13.5
EPSS0.00152
SSVC
6