Critical severity · published Dec 11, 2024
CVE-2024-55660
SiYuan has an SSTI via /api/template/renderSprig
9.8
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
siyuan · siyuan-note
< 3.1.16 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-55660
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-55660
Patch
https://github.com/siyuan-note/siyuan/commit/e70ed57f6e4852e2bd702671aeb8eb3a47a36d71
Vendor Advisory
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4pjc-pwgq-q9jp
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