CVE-2026-72801

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-12. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: 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 disclose encrypted-notebook key-derivation material and wrapped data keys through unauthenticated endpoints in publish mode. Attackers can retrieve Argon2id salt, cost parameters, password verifiers, and wrapped notebook keys to perform unlimited offline master-password cracking without rate limiting.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
65(Attend)
EG Risk 65/100SSVC: 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
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 14, 2026

Advisory Details (2)

Auto-updated Aug 12, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

SiYuan before v3.7.4 Information Disclosure via Encryption Key Material | Advisories | VulnCheck

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

Encrypted-notebook key-derivation material and wrapped notebook keys disclosed to anonymous readers, enabling offline master-password cracking (publish mode) · Advisory · siyuan-note/siyuan · GitHub

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8x84-r2ff-h8pq

Vendor Advisories for CVE-2026-72801(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 35× in last 7d / 44× 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 22:39 UTCGHSA enrichment
  3. 2026-08-20 11:35 UTCGHSA enrichment
  4. 2026-08-20 00:30 UTCEG score recompute
  5. 2026-08-20 00:30 UTCGHSA enrichment
  6. 2026-08-19 17:04 UTCEPSS rescore
  7. 2026-08-19 13:25 UTCGHSA enrichment
  8. 2026-08-19 02:18 UTCGHSA enrichment
  9. 2026-08-18 15:13 UTCEG score recompute
  10. 2026-08-18 15:13 UTCGHSA enrichment
  11. 2026-08-18 13:49 UTCEPSS rescore
  12. 2026-08-18 13:49 UTCEPSS rescore
  13. 2026-08-18 04:02 UTCGHSA enrichment
  14. 2026-08-17 16:57 UTCEG score recompute
  15. 2026-08-17 16:57 UTCGHSA enrichment
  16. 2026-08-17 13:47 UTCEPSS rescore
  17. 2026-08-17 05:53 UTCGHSA enrichment
  18. 2026-08-16 18:49 UTCEG score recompute
  19. 2026-08-16 18:49 UTCGHSA enrichment
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 14:56 UTCEPSS rescore
  22. 2026-08-16 07:32 UTCEG score recompute
  23. 2026-08-16 07:32 UTCGHSA enrichment
  24. 2026-08-16 02:15 UTCEPSS rescore
  25. 2026-08-15 20:28 UTCGHSA enrichment
Show 19 more
  1. 2026-08-15 09:23 UTCEG score recompute
  2. 2026-08-15 09:23 UTCGHSA enrichment
  3. 2026-08-15 01:31 UTCEPSS rescore
  4. 2026-08-14 22:18 UTCEG score recompute
  5. 2026-08-14 22:18 UTCGHSA enrichment
  6. 2026-08-14 22:14 UTCEG score recompute
  7. 2026-08-14 22:14 UTCGHSA enrichment
  8. 2026-08-14 17:09 UTCEG score recompute
  9. 2026-08-14 17:09 UTCGHSA enrichment
  10. 2026-08-14 16:38 UTCGHSA enrichment
  11. 2026-08-14 05:34 UTCEG score recompute
  12. 2026-08-14 05:34 UTCGHSA enrichment
  13. 2026-08-13 22:00 UTCEPSS rescore
  14. 2026-08-13 18:29 UTCGHSA enrichment
  15. 2026-08-13 07:24 UTCEG score recompute
  16. 2026-08-13 07:24 UTCGHSA enrichment
  17. 2026-08-12 20:20 UTCEG score recompute
  18. 2026-08-12 19:21 UTCEG score recompute
  19. 2026-08-12 19:20 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-72801?
CVE-2026-72801 is a high vulnerability published on August 12, 2026. SiYuan versions before v3.7.4 disclose encrypted-notebook key-derivation material and wrapped data keys through unauthenticated endpoints in publish mode. Attackers can retrieve Argon2id salt, cost parameters, password verifiers, and wrapped notebook keys to perform unlimited offline…
When was CVE-2026-72801 disclosed?
CVE-2026-72801 was first published in the National Vulnerability Database on August 12, 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-2026-72801 actively exploited?
CVE-2026-72801 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 84.4% of all scored CVEs.
What is the CVSS score of CVE-2026-72801?
CVE-2026-72801 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-72801?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-72801, 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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