CVE-2026-73045
highpriority · track · 0EPSS 0.005 · 44 %ileEUEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (1)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v362-968x-gp2vcnnvd
- https://www.vulncheck.com/advisories/siyuan-before-brute-force-via-authfilepublishaccesscnnvd
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v362-968x-gp2venisa_euvd
- https://www.vulncheck.com/advisories/siyuan-before-brute-force-via-authfilepublishaccessenisa_euvd
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v362-968x-gp2vnvd
- https://www.vulncheck.com/advisories/siyuan-before-brute-force-via-authfilepublishaccessnvd
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