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CVE-2026-50159

🗓️ 06 Aug 2026 19:55:27Reported by MendType 
mend
 mend
🔗 www.mend.io👁 17 Views

CSS injection in Mermaid via sibling combinator selectors in diagram class or id names.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-50159
6 Aug 202619:55
–attackerkb
cgr
Chainguard
CVE-2026-50159 vulnerabilities
7 Aug 202620:22
–cgr
cve
CVE
CVE-2026-50159
6 Aug 202619:55
–cve
cvelist
Cvelist
CVE-2026-50159 Mermaid allows CSS injection applying to sibling elements of the diagram
6 Aug 202619:55
–cvelist
debiancve
Debian CVE
CVE-2026-50159
6 Aug 202619:55
–debiancve
euvd
EUVD
EUVD-2026-54243
6 Aug 202619:55
–euvd
github
Github Security Blog
Mermaid allows CSS injection applying to sibling elements of the diagram
6 Aug 202619:55
–github
nvd
NVD
CVE-2026-50159
6 Aug 202622:17
–nvd
osv_cga
osv_cga
CGA-235C-92R9-2J35
7 Aug 202612:20
–osv_cga
osv_cga
osv_cga
CGA-2F96-923Q-47MH
7 Aug 202613:32
–osv_cga
Rows per page
Vulners
Node
OR
mermaid_projectmermaidRange8.8.4–10.9.8
mermaid_projectmermaidRange0.1.0–10.9.8
mermaid_projectmermaidRange0.2.11–10.9.8
mermaid_projectmermaidRange11.0.0-alpha.1–11.16.1

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07 Oct 2026 22:49Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.14.7
CVSS 45.3
EPSS0.00603
SSVC
17