CVE-2026-73045
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Summary
SiYuan before 3.7.4 contains an improper restriction of excessive authentication attempts vulnerability in the authFilePublishAccess endpoint that allows unauthenticated attackers to brute-force per-notebook publish passwords. Attackers can submit unbounded password guesses without rate limiting or CAPTCHA to gain access to password-protected published notebooks.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| siyuan-note | siyuan | 0 < 3.7.4 | affected |
| siyuan-note | siyuan | 3.7.4 | unaffected |
Weaknesses
- CWE-307: Improper Restriction of Excessive Authentication Attempts
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v362-968x-gp2v
- https://www.vulncheck.com/advisories/siyuan-before-brute-force-via-authfilepublishaccess
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