CVE-2026-73606

MEDIUMPre-NVD 5.85.8—
EchelonGraph scoreHIGH confidence

Score 5.8 from GitHub Security Advisory published 2026-08-13. the CNA's CVSS baseline 5.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this weekElevated
5.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint that fails to check password-protected document tiers. Unauthenticated readers can discover that password-protected documents reference specific blocks and obtain block identifiers without entering the document password.

CVSS v3
5.8
EG Score
5.8(high)
EG Risk
57(Attend)
EG Risk 57/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity58% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 14, 2026

Advisory Details (2)

Auto-updated Aug 13, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

SiYuan before v3.7.4 Information Disclosure via getRefIDs | Advisories | VulnCheck

https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getrefids
github Patch Available🟡 PoC Available

The reference filter for getRefIDs checks visibility but not the password tier, disclosing that password-protected documents reference a given block · Advisory · siyuan-note/siyuan · GitHub

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-vg99-7gj7-2fr5

Vendor Advisories for CVE-2026-73606(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 24× in last 7d / 32× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-20 22:56 UTCEPSS rescore
  2. 2026-08-20 14:04 UTCEG score recompute
  3. 2026-08-20 14:04 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 14:35 UTCGHSA enrichment
  6. 2026-08-18 15:12 UTCEG score recompute
  7. 2026-08-18 15:12 UTCGHSA enrichment
  8. 2026-08-18 13:49 UTCEPSS rescore
  9. 2026-08-18 13:49 UTCEPSS rescore
  10. 2026-08-17 14:39 UTCEG score recompute
  11. 2026-08-17 14:39 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-16 15:29 UTCEG score recompute
  14. 2026-08-16 15:29 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 14:56 UTCEPSS rescore
  17. 2026-08-16 02:15 UTCEPSS rescore
  18. 2026-08-15 16:19 UTCEG score recompute
  19. 2026-08-15 16:19 UTCGHSA enrichment
  20. 2026-08-15 01:31 UTCEPSS rescore
  21. 2026-08-14 17:08 UTCEG score recompute
  22. 2026-08-14 17:08 UTCGHSA enrichment
  23. 2026-08-14 12:45 UTCEG score recompute
  24. 2026-08-14 12:45 UTCGHSA enrichment
  25. 2026-08-13 13:35 UTCEG score recompute
Show 7 more
  1. 2026-08-13 13:35 UTCGHSA enrichment
  2. 2026-08-13 13:18 UTCEG score recompute
  3. 2026-08-13 13:18 UTCGHSA enrichment
  4. 2026-08-13 12:33 UTCEG score recompute
  5. 2026-08-13 12:33 UTCGHSA enrichment
  6. 2026-08-13 11:42 UTCEG score recompute
  7. 2026-08-13 11:41 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-73606?
CVE-2026-73606 is a medium vulnerability published on August 13, 2026. SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint that fails to check password-protected document tiers. Unauthenticated readers can discover that password-protected documents reference specific blocks and obtain block identifiers…
When was CVE-2026-73606 disclosed?
CVE-2026-73606 was first published in the National Vulnerability Database on August 13, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73606 actively exploited?
CVE-2026-73606 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 90.5% of all scored CVEs.
What is the CVSS score of CVE-2026-73606?
CVE-2026-73606 has a CVSS v4.0 base score of 5.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-73606?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-73606, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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