# CVE-2026-32940: SiYuan has a SanitizeSVG bypass via data:text/xml in getDynamicIcon (incomplete fix for )

Source: https://junglewise.ai/threats/cve-2026-32940-siyuan-has-a-sanitizesvg-bypass-via-data-text-xml-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-26  
License: CC BY 4.0 with a link back

CVE-2026-32940 · Severity: low · CVSS 3.1 · Published 2026-03-26

SiYuan has a SanitizeSVG bypass via data:text/xml in getDynamicIcon (incomplete fix for CVE-2026-29183) in github.com/siyuan-note/siyuan

Technologies: [github.com/siyuan-note/siyuan (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2026-32940 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-32940 being exploited in the wild.

**How severe is CVE-2026-32940?** Low severity, with a CVSS score of 3.1, published 26 March 2026.

**Which products and versions are affected?** github.com/siyuan-note/siyuan (Go) SEMVER:introduced=0, SEMVER:introduced=0,last_affected=0.0.0-20260313024916-fd6526133bb3.

**Is there a fix for CVE-2026-32940?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-32940?** Check whether you run github.com/siyuan-note/siyuan (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- github.com/siyuan-note/siyuan (Go) SEMVER:introduced=0, SEMVER:introduced=0,last_affected=0.0.0-20260313024916-fd6526133bb3

## Identifiers

- CVE-2026-32940
- GHSA-4mx9-3c2h-hwhg
- GO-2026-4721

## Related threats

- [Duplicate Advisory: SiYuan: MCP file tool's blocklist is incomplete relative to the HTTP file API it claims to align…](https://junglewise.ai/threats/duplicate-advisory-siyuan-mcp-file-tool-s-blocklist-is-incomplete-ea3fe399)
- [SiYuan SQL injection in fullTextSearchAssetContent endpoint](https://junglewise.ai/threats/siyuan-sql-injection-in-fulltextsearchassetcontent-endpoint-77bd29ce)
- [SiYuan importStdMd: unvalidated localPath imports arbitrary host directories as persistent notes](https://junglewise.ai/threats/cve-2026-32750-siyuan-importstdmd-unvalidated-localpath-imports-arbitrary-host)