CVE-2026-74799 PUBLISHED

SiYuan before 3.7.4 Unauthenticated Debug Endpoint Information Disclosure

Assigner: VulnCheck
Reserved: 16.08.2026 Published: 17.08.2026 Updated: 17.08.2026

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.

CVSS Vector: 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
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	Low
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
CVSS Score: 9.3

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	siyuan-note
Product	siyuan
Versions	Default: unaffected affected from 0 to 3.7.4 (excl.) Version 3.7.4 is unaffected

CVE-2026-74799 PUBLISHED

SiYuan before 3.7.4 Unauthenticated Debug Endpoint Information Disclosure

Metrics

Product Status

Credits

References

Problem Types