CVE-2024-55660

criticalpriority · track · 39EPSS 0.006 · 50 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.62% (50th) EPSS

CVSS 9.8 · critical

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–critical · 2.7–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v4.06.9mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.06.9mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · security-advisories@github.com

v4.02.7lowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimaryCWE-1336USCWE-1336US

affected products (4)

Products and version ranges known to be affected.

siyuan-note SiYuan≤ < 3.1.16enisa_euvdEU
b3log siyuan= 3.1.15nvdUScpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*
Go github.com/siyuan-note/siyuan/kernelall versionsosvUSpkg:golang/github.com/siyuan-note/siyuan/kernel
Go github.com/siyuan-note/siyuan/kernel≤ 0.0.0-20241210012039-5129ad926a21osvUSpkg:golang/github.com/siyuan-note/siyuan/kernel

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-4pjc-pwgq-q9jpSiYuan has an SSTI via /api/template/renderSprig2024-12-11ghsa · osvUS
### Summary 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 ### Impact Information leakage
GO-2024-3324SiYuan has an SSTI via /api/template/renderSprig in github.com/siyuan-note/siyuan/kernel2024-12-12vendor · osvUS
SiYuan has an SSTI via /api/template/renderSprig in github.com/siyuan-note/siyuan/kernel

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2024-12-12modified 2026-06-17

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+10439 more

references (6)

External citations — patches, advisories, analysis.

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