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Vulnerability record · CVE-2026-74799 · published 17 August 2026

CVE-2026-74799: SiYuan before 3.7.4 registers Go net/http/pprof debug endpoints including heap and goroutine dumps without aut…

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.

9.2 CVSS 4.0 Critical EPSS 0.54% · top 56.6% CWE-215 · CWE-215 Deferred
9.2CVSS 4.0 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
26 Aug 2026Last modified by NVD

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.

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/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:

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-74799), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.