CVE-2026-74799
SiYuan before 3.7.4 Unauthenticated Debug Endpoint Information Disclosure
- State
- Published
- Severity
- 9.2 Critical
- Published
- Aug 17, 2026
- Updated
- Aug 17, 2026
- Reserved
- Aug 16, 2026
Description
SiYuan before 3.7.4 registers Go net/http/pprof debug endpoints including heap and goroutine dumps without authentication when --mode flag is not set to exactly prod. Attackers can access /debug/pprof/heap and related endpoints to extract in-memory secrets including AccessAuthCode and AI provider API keys.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.2 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:H/SI:N/SA:L | VulnCheck |
| 3.1 | 9.3 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L | VulnCheck |
Weaknesses
- CWE-215 Insertion of Sensitive Information Into Debugging Code
Affected Products
| Product | Versions |
|---|---|
siyuansiyuan-note |
|
References
- GitHub Security Advisory (GHSA-9cqq-p2hw-mj3f)vendor-advisory
- VulnCheck Advisory: SiYuan before 3.7.4 Unauthenticated Debug Endpoint Information Disclosurethird-party-advisory
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