CVE-2026-74799

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.

Score

CVSS 3.1 9.3 Critical

Status

Deferred - disclosure@vulncheck.com

Published

2026-08-17

Last modified

2026-08-17

Weaknesses

CWE-215

Affected products

• Siyuan (B3log)

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-9cqq-p2hw-mj3f
• https://www.vulncheck.com/advisories/siyuan-before-unauthenticated-debug-endpoint-information-disclosure