CVE-2026-85582
SiYuan versions before v3.8.2 contain an unbounded session creation vulnerability in the publish-service Basic Auth handler that allows authenticated attackers to exhaust memory. Attackers can repeatedly authenticate with valid credentials to create persistent session entries without expiry or capacity limits, causing indefinite process memory growth and denial of service.
Published:Sep 4, 2026
Last Modified:Sep 4, 2026
EPS:Sep 4, 2026
EPSS Score:
CVSS Score:6.5
Affected Products
Vendor
Product
Action
Vendor
B3log
Product
Siyuan
B3log
Siyuan
Vendor
Siyuan
Product
Siyuan
Siyuan
Siyuan
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
