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TI-2026-44427 Aliases CVE-2026-62204GHSA-989h-w3q9-3m2fGHSA-rpx2-p6hp-x5gj

SiYuan before v3.7.4 Plugin Overwrite via Bazaar Install

Priority LOW 25CWE-345Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Passive
Attack complexity
High
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
Low · High · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-345.

Summary

SiYuan versions before v3.7.4 fail to validate that packageName matches the downloaded package content in bazaar install endpoints. Attackers with same-origin access can overwrite existing trusted plugins by supplying mismatched packageName and repoURL parameters, achieving persistence across application restarts.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00094 0th percentileScored 2026-11-07
Fix Fixed siyuan (siyuan-note): 3.7.4github.com/siyuan-note/siyuan/kernel (Go): 0.0.0-20260808010544-26ccb40d390e

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
siyuan-notesiyuanbefore 3.7.43.7.4Patch availableCNA
—github.com/siyuan-note/siyuan/kernel (Go)before 0.0.0-20260808010544-26ccb40d390e0.0.0-20260808010544-26ccb40d390ePatch availableGHSA-rpx2-p6hp-x5gj
  • siyuan Vendorsiyuan-note Affected before 3.7.4 Fixed in 3.7.4 Patch available CNA
  • github.com/siyuan-note/siyuan/kernel (Go) Vendor— Affected before 0.0.0-20260808010544-26ccb40d390e Fixed in 0.0.0-20260808010544-26ccb40d390e Patch available GHSA-rpx2-p6hp-x5gj

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*——siyuan-note
  • cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:* Versions — — ·siyuan-note

Remediation

  • Fix · CNA siyuan (siyuan-note) Fixed in 3.7.4
  • Fix · GHSA-rpx2-p6hp-x5gj github.com/siyuan-note/siyuan/kernel (Go) Fixed in 0.0.0-20260808010544-26ccb40d390e Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    siyuan-note siyuan 3.7.4

    2 records Highest priority Priority HIGH 1 HIGH, 1 LOW

    Other records, highest priority first

    • TI-2026-42814 SiYuan before v3.7.4 Arbitrary File Deletion via removeTemplatePriority HIGH 70
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-62204
  2. 2026-10-03 Alias added: GHSA-989h-w3q9-3m2f
  3. 2026-10-23 Alias added: GHSA-rpx2-p6hp-x5gj
  4. 2026-10-23 Fix available: Go/github.com/siyuan-note/siyuan/[email protected] · GHSA-rpx2-p6hp-x5gj
  5. 2026-10-23 CVSS score added · GHSA-rpx2-p6hp-x5gj
  6. 2026-10-23 Weakness changed · GHSA-rpx2-p6hp-x5gj
  7. 2026-10-23 5 new references · GHSA-rpx2-p6hp-x5gj

References

Advisory 2

Other 3

  • TI-2026-48492 SiYuan before v3.7.3 SQL Injection via searchDocs CVSS 4.0CRITICAL 9.9
  • TI-2026-48491 SiYuan before v3.7.3 SQL Injection via searchEmbedBlock CVSS 4.0CRITICAL 9.9
  • TI-2026-48490 SiYuan before v3.7.3 SQL Injection via fullTextSearchAssetContent CVSS 4.0CRITICAL 9.9
  • TI-2026-47010 SiYuan before v3.7.2 Unauthenticated Administrator Takeover via MCP CVSS 4.0CRITICAL 10.0
  • TI-2026-26050 SiYuan has directory traversal within its publishing service CVSS 3.1CRITICAL 9.8
  • TI-2026-25256 SiYuan: Authorization Bypass Allows Arbitrary SQL Execution via Search API CVSS 3.1CRITICAL 9.8
See all 242 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences