CVE-2026-109310CWE-770denial-of-service

CVE-2026-109310

Medium · published October 12, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
23.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00320 · 23.8th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-10-12T21:17Z
References (3)
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cxwr-r7cq-xw52 · [email protected]https://www.vulncheck.com/advisories/siyuan-3.1.12-before-3.8.6-denial-of-service-via-getdynamicicon-template · [email protected]https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cxwr-r7cq-xw52 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 16:05Z
    SiYuan v3.1.12 before v3.8.6 Denial of Service via getDynamicIcon Template
    cvelistv5
  • 12 OCT 16:05Z
    SiYuan v3.1.12 before v3.8.6 Denial of Service via getDynamicIcon Template
    cvelistv5