## SiYuan: authFilePublishAccess distinguishes hidden and forbidden documents from public and nonexistent ones, and issues a publish-auth cookie for documents it reports as forbidden

- 種別: advisory
- 重大度: medium
- 関連技術: go, github
- CVE: CVE-2026-73630
- 公開日時: 2026-10-23T18:31:42.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-4pjg-x8qj-33j5)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-4pjg-x8qj-33j5

影響: go:github.com/siyuan-note/siyuan/kernel < 0.0.0-20260731093152-c7522b8db586 → 0.0.0-20260731093152-c7522b8db586
/api/filetree/authFilePublishAccess is registered with CheckAuth only and is reachable anonymously. It never sets a failure code, so its outcome is signalled entirely by the response message and by whether a Set-Cookie header is present. Those two signals differ across access tiers, which lets an anonymous caller determine, for any candidate document identifier, whether that document is public or nonexistent, password-protected, or exists at the hidden or forbidden tier. Separately, hidden and…