# SiYuan vulnerabilities

Source: https://junglewise.ai/threats/technologies/siyuan  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/siyuan.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 178 vulnerabilities in SiYuan: 1 in the last 7 days and 88 in the last 90 days, 32 of them critical and 0 exploited in the wild. The most recent, CVE-2026-126776, was published on 11 November 2026. 11 vulnerabilities in the last four weeks, down 48% on the four before (21).

## Counts

- Last 7 days: 1
- Last 30 days: 10
- Last 90 days: 88
- All time: 178 (32 critical, 0 exploited in the wild)

## About SiYuan

SiYuan is a privacy-first personal note-taking and knowledge management web application.

## Latest SiYuan vulnerabilities

- [CVE-2026-126776: SiYuan path traversal in web fetch](https://junglewise.ai/threats/cve-2026-126776-siyuan-3-7-0-before-3-8-10-on-windows-contains-a-path-traversal) (medium, CVSS 5.3, published 11 Nov 2026)
- [SiYuan publish filter information disclosure in local storage](https://junglewise.ai/threats/go-2026-6836-siyuan-the-publish-filter-for-local-storage-returns-the-7f022e62) (info, published 5 Nov 2026)
- [CVE-2026-118680: SiYuan path traversal via GLOBALROOT alias bypass](https://junglewise.ai/threats/cve-2026-118680-siyuan-3-8-7-through-3-8-8-fails-to-normalize-windows-globalroot) (medium, CVSS 4.4, published 28 Oct 2026)
- [CVE-2026-116170: SiYuan SQL injection in history search](https://junglewise.ai/threats/cve-2026-116170-siyuan-before-v3-8-7-contains-an-sql-injection-vulnerability) (medium, CVSS 4.9, published 25 Oct 2026)
- [CVE-2026-116167: SiYuan cross-site scripting in /check-auth redirect](https://junglewise.ai/threats/cve-2026-116167-siyuan-from-2-9-0-before-3-8-7-contains-a-cross-site-scripting) (medium, CVSS 6.8, published 25 Oct 2026)
- [CVE-2026-116166: SiYuan cleartext transmission via unenforced networkServeTLS setting](https://junglewise.ai/threats/cve-2026-116166-siyuan-3-6-0-before-3-8-7-accepts-and-persists-the) (medium, CVSS 6.8, published 25 Oct 2026)
- [CVE-2026-73054: SiYuan WebSocket parser differential allows unauthenticated event stream access](https://junglewise.ai/threats/cve-2026-73054-siyuan-a-parser-differential-between-the-websocket-keepalive) (high, CVSS 7.5, published 23 Oct 2026)
- [CVE-2026-73630: SiYuan authFilePublishAccess information disclosure](https://junglewise.ai/threats/cve-2026-73630-siyuan-authfilepublishaccess-distinguishes-hidden-and-forbidden) (medium, CVSS 5.8, published 23 Oct 2026)
- [CVE-2026-73049: SiYuan database backlink information disclosure via publish filter](https://junglewise.ai/threats/cve-2026-73049-siyuan-the-publish-filter-for-database-backlinks-consults-the) (medium, CVSS 5.8, published 23 Oct 2026)
- [SiYuan local storage endpoint discloses administrator activity](https://junglewise.ai/threats/siyuan-the-publish-filter-for-local-storage-returns-the-administrator-s-fab71d28) (medium, CVSS 5.8, published 23 Oct 2026)
- [CVE-2026-109310: SiYuan resource exhaustion in getDynamicIcon template](https://junglewise.ai/threats/cve-2026-109310-siyuan-v3-1-12-before-v3-8-6-fails-to-restrict-the-sprig) (medium, CVSS 6.5, published 12 Oct 2026)
- [CVE-2026-109309: SiYuan kernel plugin HTTP server absolute path traversal](https://junglewise.ai/threats/cve-2026-109309-siyuan-v3-7-0-before-v3-8-6-contains-an-absolute-path-traversal) (medium, CVSS 6.5, published 12 Oct 2026)
- [CVE-2026-69085: SiYuan unauthenticated SQL injection in searchDocs endpoint](https://junglewise.ai/threats/cve-2026-69085-siyuan-unauthenticated-sql-injection-in-searchdocs-via-unescaped) (low, CVSS 3.1, published 7 Oct 2026)
- [CVE-2026-105205: SiYuan information disclosure in block API endpoints](https://junglewise.ai/threats/cve-2026-105205-siyuan-before-3-8-5-contains-an-information-disclosure) (medium, CVSS 5.3, published 4 Oct 2026)
- [CVE-2026-74904: SiYuan block metadata endpoints missing authorization](https://junglewise.ai/threats/cve-2026-74904-siyuan-17-block-metadata-content-endpoints-in-kernel-api-block-go) (high, CVSS 7.5, published 2 Oct 2026)
- [CVE-2026-104410: SiYuan information disclosure in export preview API](https://junglewise.ai/threats/cve-2026-104410-siyuan-before-3-8-5-contains-an-information-disclosure) (high, CVSS 7.5, published 2 Oct 2026)
- [CVE-2026-103763: SiYuan information disclosure in getNotebookInfo endpoint](https://junglewise.ai/threats/cve-2026-103763-siyuan-before-v3-8-5-contains-an-information-disclosure) (medium, CVSS 5.8, published 2 Oct 2026)
- [SiYuan getAttributeViewSearchTarget information disclosure to anonymous readers](https://junglewise.ai/threats/siyuan-getattributeviewsearchtarget-returns-database-row-content-to-dac2acd2) (high, CVSS 8.6, published 1 Oct 2026)
- [CVE-2026-101092: SiYuan information disclosure in getCurrentAttrViewImages endpoint](https://junglewise.ai/threats/cve-2026-101092-siyuan-before-v3-8-4-fails-to-enforce-publish-access-checks-in) (medium, CVSS 5.3, published 28 Sep 2026)
- [CVE-2026-101091: SiYuan block query embed SQL injection in background indexing](https://junglewise.ai/threats/cve-2026-101091-siyuan-versions-before-v3-8-4-fail-to-properly-validate-sql) (high, CVSS 7.1, published 28 Sep 2026)
- [CVE-2026-100646: SiYuan authentication bypass via missing Origin header](https://junglewise.ai/threats/cve-2026-100646-siyuan-is-a-self-hosted-personal-knowledge-management-system-in) (high, CVSS 8.1, published 26 Sep 2026)
- [CVE-2026-100645: SiYuan stored cross-site scripting in gallery and kanban renderers](https://junglewise.ai/threats/cve-2026-100645-siyuan-versions-3-7-0-before-3-8-4-contain-a-stored-cross-site) (high, CVSS 8, published 26 Sep 2026)
- [CVE-2026-100643: SiYuan stored XSS in Attribute View textarea elements](https://junglewise.ai/threats/cve-2026-100643-siyuan-versions-before-v3-8-4-fail-to-properly-escape-four) (high, CVSS 8, published 26 Sep 2026)
- [CVE-2026-100642: SiYuan cross-site request forgery in CheckAuth lock-screen bypass](https://junglewise.ai/threats/cve-2026-100642-siyuan-versions-from-v2-1-0-before-v3-8-4-contain-a-cross-site) (high, CVSS 7.6, published 26 Sep 2026)
- [CVE-2026-100641: SiYuan stored XSS in flashcard content before v3.8.4](https://junglewise.ai/threats/cve-2026-100641-siyuan-before-v3-8-4-does-not-html-escape-stored-flashcard-block) (high, CVSS 8, published 26 Sep 2026)

## Most severe SiYuan vulnerabilities

- [CVE-2026-69084: SiYuan arbitrary SQL execution via searchEmbedBlock](https://junglewise.ai/threats/cve-2026-69084-siyuan-arbitrary-sql-execution-via-searchembedblock) (critical, CVSS 10, published 3 Sep 2026)
- [CVE-2026-69083: SiYuan fullTextSearchAssetContent SQL injection and REGEXP breakout](https://junglewise.ai/threats/cve-2026-69083-siyuan-fulltextsearchassetcontent-sql-injection-and-regexp) (critical, CVSS 10, published 3 Sep 2026)
- [CVE-2026-72811: SiYuan backlink search SQL injection via unescaped metadata concatenation](https://junglewise.ai/threats/cve-2026-72811-siyuan-backlink-search-sql-injection-via-unescaped-metadata) (critical, CVSS 10, published 3 Sep 2026)
- [SiYuan SQL injection in backlink/mention search](https://junglewise.ai/threats/siyuan-sql-injection-in-backlink-mention-search-9ca0d701) (critical, CVSS 10, published 14 Aug 2026)
- [SiYuan SQL injection in fullTextSearchAssetContent endpoint](https://junglewise.ai/threats/siyuan-sql-injection-in-fulltextsearchassetcontent-endpoint-77bd29ce) (critical, CVSS 10, published 3 Aug 2026)
- [SiYuan searchEmbedBlock SQL injection](https://junglewise.ai/threats/siyuan-searchembedblock-sql-injection-1301810a) (critical, CVSS 10, published 3 Aug 2026)
- [CVE-2026-66012: SiYuan missing authorization in MCP kernel endpoint](https://junglewise.ai/threats/cve-2026-66012-siyuan-missing-authorization-in-mcp-kernel-endpoint) (critical, CVSS 10, published 25 Jul 2026)
- [CVE-2026-50551: SiYuan stored XSS to RCE in Attribute View asset cell renderer](https://junglewise.ai/threats/cve-2026-50551-siyuan-stored-xss-to-rce-in-attribute-view-asset-cell-renderer) (critical, CVSS 9.9, published 24 Jun 2026)
- [CVE-2026-54067: SiYuan stored XSS to RCE via CSS snippet breakout](https://junglewise.ai/threats/cve-2026-54067-siyuan-stored-xss-to-rce-via-css-snippet-breakout) (critical, CVSS 9.9, published 24 Jun 2026)
- [CVE-2026-54158: SiYuan Stored XSS to RCE in attribute-view cell renderer](https://junglewise.ai/threats/cve-2026-54158-siyuan-stored-xss-to-rce-in-attribute-view-cell-renderer) (critical, CVSS 9.9, published 24 Jun 2026)

## Vulnerabilities per week

11 vulnerabilities in the last four weeks, down 48% on the four before (21).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 5 | 1 | 0 |
| 24 Aug 2026 | 8 | 0 | 0 |
| 31 Aug 2026 | 23 | 4 | 0 |
| 7 Sep 2026 | 11 | 0 | 0 |
| 14 Sep 2026 | 4 | 0 | 0 |
| 21 Sep 2026 | 9 | 0 | 0 |
| 28 Sep 2026 | 7 | 0 | 0 |
| 5 Oct 2026 | 1 | 0 | 0 |
| 12 Oct 2026 | 2 | 0 | 0 |
| 19 Oct 2026 | 7 | 0 | 0 |
| 26 Oct 2026 | 1 | 0 | 0 |
| 2 Nov 2026 | 1 | 0 | 0 |
| 9 Nov 2026 | 1 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "SiYuan vulnerabilities", https://junglewise.ai/threats/technologies/siyuan, 13 November 2026.
