CVE-2026-73045

SiYuan before 3.7.4 has an improper restriction of excessive authentication attempts in the authFilePublishAccess endpoint, allowing unauthenticated attackers to brute-force per-notebook publish passwords with no rate limiting or CAPTCHA, potentially granting access to password-protected publishe...

CVE-2026-73045 SiYuan before 3.7.4 Brute-Force via authFilePublishAccess

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 ...

CVE-2026-73045: Improper Restriction of Excessive Authentication Attempts

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 ...

CVE-2026-73630: Observable Discrepancy

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/filetree/authFilePublishAccess endpoint, which is registered with CheckAuth only and is reachable anonymously. The endpoint never sets a failure code, so its outcome is signalled entirely by the response message and...

PT-2026-72012

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description An information disclosure issue exists in the '/api/filetree/authFilePublishAccess' endpoint, which is accessible anonymously. The endpoint does not return failure codes, instead signaling outcomes...