Description

SiYuan is a personal knowledge management system. Prior to version 3.1.16, 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. Version 3.1.16 contains a patch for the issue.

Classification

CVE ID: CVE-2024-55660

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.9

Affected Products

Vendor: siyuan-note

Product: siyuan

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 11.48% (scored less or equal to compared to others)

EPSS Date: 2025-02-04 (when was this score calculated)

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4pjc-pwgq-q9jp
https://github.com/siyuan-note/siyuan/commit/e70ed57f6e4852e2bd702671aeb8eb3a47a36d71

Timeline