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CVE-2026-73054: Improper Authentication

🗓️ 15 Aug 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unauthenticated authentication bypass in SiYuan before v3.7.4 via WebSocket query parameters.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-73054
15 Aug 202621:44
–attackerkb
circl
Circl
CVE-2026-73054
15 Aug 202623:01
–circl
cve
CVE
CVE-2026-73054
15 Aug 202621:44
–cve
cvelist
Cvelist
CVE-2026-73054 SiYuan before v3.7.4 Authentication Bypass via WebSocket
15 Aug 202621:44
–cvelist
euvd
EUVD
EUVD-2026-59803
16 Aug 202600:31
–euvd
nvd
NVD
CVE-2026-73054
15 Aug 202622:16
–nvd
ptsecurity
Positive Technologies
PT-2026-73058
15 Aug 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-73054 SiYuan before v3.7.4 Authentication Bypass via WebSocket
15 Aug 202621:44
–vulnrichment

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26 Aug 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
CVSS 48.7
EPSS0.00539
SSVC
0