CVE-2026-109310

6.5 MEDIUMpublic exploit available

Published 2026-10-12 · Updated 2026-10-13

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

SiYuan v3.1.12 before v3.8.6 fails to restrict the Sprig template function map in the /api/icon/getDynamicIcon content parameter, allowing resource exhaustion. A publish reader, or anyone when publish auth is disabled, can use uncapped functions like until to OOM-kill the kernel with one request.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-770

Public exploit & PoC references

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cxwr-r7cq-xw52
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cxwr-r7cq-xw52

All references

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cxwr-r7cq-xw52
https://www.vulncheck.com/advisories/siyuan-3.1.12-before-3.8.6-denial-of-service-via-getdynamicicon-template
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cxwr-r7cq-xw52

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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