CVE-2024-55660: SiYuan has an SSTI via /api/template/renderSprig

December 11, 2024 (updated October 31, 2025)

Siyuan’s /api/template/renderSprig endpoint is vulnerable to Server-Side Template Injection (SSTI) through the Sprig template engine. Although the engine has limitations, it allows attackers to access environment variables

References

github.com/advisories/GHSA-4pjc-pwgq-q9jp
github.com/siyuan-note/siyuan
github.com/siyuan-note/siyuan/commit/e70ed57f6e4852e2bd702671aeb8eb3a47a36d71
github.com/siyuan-note/siyuan/security/advisories/GHSA-4pjc-pwgq-q9jp
nvd.nist.gov/vuln/detail/CVE-2024-55660
pkg.go.dev/vuln/GO-2024-3324

Code Behaviors & Features

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