CVE-2026-72792

Description

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that returns tag labels and occurrence counts from password-protected documents to unauthenticated readers. Attackers can enumerate tag vocabulary and internal terminology from password-protected documents by calling the tag endpoint without providing the document's publish password.

CVSS Vector

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-mp7r-57w4-5qm3
• https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-tag-api