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CVE-2026-45371GO-2026-5402GHSA-GMMV-4CC5-WR9R

SiYuan: SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.7.0, 0.0.0-20260512140701-d7b77d945e0d
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs. POST /api/graph/getGraph, POST /api/graph/getLocalGraph, POST /api/sync/setSyncInterval, POST /api/storage/updateRecentDocViewTime, POST /api/storage/updateRecentDocCloseTime, POST /api/storage/updateRecentDocOpenTime, POST /api/storage/batchUpdateRecentDocCloseTime, and POST /api/search/updateEmbedBlock are registered with model.CheckAuth only, omitting both model.CheckAdminRole and model.CheckReadonly. Each of them writes server-side state, including atomic rewrites of <workspace>/conf/conf.json via model.Conf.Save(). Any caller whose JWT passes CheckAuth, including a publish-service RoleReader (the role assigned to anonymous publish visitors) and a RoleEditor against a workspace where Editor.ReadOnly = true, can hit them This vulnerability is fixed in 3.7.0.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • siyuan-note siyuan

    fixed in 3.7.0

  • github.com/siyuan-note/siyuan/kernelGo

    fixed in 0.0.0-20260512140701-d7b77d945e0d

References 1

GitHub · siyuan-note/siyuan