Home/CVE/SiYuan is a personal knowledge management system. Prior to version 3.1.16, SiYuan's `/api/template/renderSprig` endpoint
CVE

CVE-2024-55660

SiYuan is a personal knowledge management system. Prior to version 3.1.16, SiYuan's `/api/template/renderSprig` endpoint

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.

CRITICAL · CVSS 9.8 EPSS 0.00732
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1336Improper Neutralization of Special Elements Used in a Template Engine
CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

1
b3log siyuanall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/siyuan-note/siyuan/kernel MODERATE
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Dec 2024 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2024:14599-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/siyuan-note/siyuan/commit/e70ed57f6e4852e2bd702671aeb8eb3a47a36d71Patch
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4pjc-pwgq-q9jpVendor Advisory
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