CVEvulnerability
CVE-2026-85585
8.7 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-09-04
- Last modified
- 2026-09-08
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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:X
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400
Description
SiYuan before v3.8.2 contains an unbounded resource consumption vulnerability in the request-concurrency middleware that retains mutex entries for every unique request path without eviction. Unauthenticated attackers can send numerous unique request paths to permanently increase process memory and synchronization overhead, degrading availability.
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-p59v-3q54-qq55 github.com
- https://www.vulncheck.com/advisories/siyuan-before-3.8.2-unbounded-memory-consumption-via-controlconcurrency www.vulncheck.com
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-p59v-3q54-qq55 github.com