CVE-2026-72801

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM 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
Elevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.5Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

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
7.5HIGHmedium confidence
EG Risk
65
EG Risk 65/100CISA SSVC

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%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.4%
EPSS %ILE
32nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 12, 2026

Last Modified

August 26, 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.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFix by version rangeDependents
github.com/siyuan-note/siyuan/kernel—
  • every version up to 0.0.0-20260724102025-3bc014c7dc32: fixed in 0.0.0-20260724102025-3bc014c7dc32
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 46× 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.

Showing the most recent 100 of 144 total refreshes for this CVE.

  1. 2026-10-05 14:44 UTCEG score recompute
  2. 2026-10-04 23:22 UTCEPSS rescore
  3. 2026-10-03 19:56 UTCEG score recompute
  4. 2026-10-03 14:26 UTCEPSS rescore
  5. 2026-10-02 19:25 UTCEG score recompute
  6. 2026-10-02 08:19 UTCEG score recompute
  7. 2026-10-01 19:50 UTCEPSS rescore
  8. 2026-09-30 21:54 UTCEG score recompute
  9. 2026-09-29 04:30 UTCEG score recompute
  10. 2026-09-28 13:52 UTCEPSS rescore
  11. 2026-09-28 01:19 UTCEG score recompute
  12. 2026-09-27 13:48 UTCEPSS rescore
  13. 2026-09-27 09:53 UTCEG score recompute
  14. 2026-09-26 15:59 UTCEPSS rescore
  15. 2026-09-25 03:40 UTCEG score recompute
  16. 2026-09-23 20:54 UTCEG score recompute
  17. 2026-09-23 17:54 UTCEPSS rescore
  18. 2026-09-22 21:05 UTCEG score recompute
  19. 2026-09-22 08:14 UTCEG score recompute
  20. 2026-09-21 21:09 UTCEPSS rescore
  21. 2026-09-20 21:24 UTCEG score recompute
  22. 2026-09-20 20:16 UTCEPSS rescore
  23. 2026-09-19 23:11 UTCEG score recompute
  24. 2026-09-18 22:46 UTCEG score recompute
  25. 2026-09-18 19:28 UTCEPSS rescore
Show 75 more
  1. 2026-09-18 00:31 UTCEG score recompute
  2. 2026-09-17 00:19 UTCEG score recompute
  3. 2026-09-16 14:08 UTCEPSS rescore
  4. 2026-09-16 07:23 UTCEG score recompute
  5. 2026-09-16 05:15 UTCEPSS rescore
  6. 2026-09-15 08:56 UTCEG score recompute
  7. 2026-09-15 03:12 UTCEPSS rescore
  8. 2026-09-13 22:37 UTCEG score recompute
  9. 2026-09-13 00:28 UTCEG score recompute
  10. 2026-09-12 15:02 UTCEPSS rescore
  11. 2026-09-12 02:18 UTCEG score recompute
  12. 2026-09-11 15:11 UTCEG score recompute
  13. 2026-09-11 14:53 UTCEPSS rescore
  14. 2026-09-10 16:58 UTCEG score recompute
  15. 2026-09-10 09:35 UTCEPSS rescore
  16. 2026-09-09 05:13 UTCEG score recompute
  17. 2026-09-08 22:01 UTCEPSS rescore
  18. 2026-09-07 16:42 UTCEG score recompute
  19. 2026-09-06 22:13 UTCEG score recompute
  20. 2026-09-06 13:48 UTCEPSS rescore
  21. 2026-09-06 00:01 UTCEG score recompute
  22. 2026-09-05 00:40 UTCEG score recompute
  23. 2026-09-04 12:31 UTCEG score recompute
  24. 2026-09-04 05:07 UTCEPSS rescore
  25. 2026-09-03 12:43 UTCGHSA enrichment
  26. 2026-09-02 23:28 UTCEG score recompute
  27. 2026-09-02 23:28 UTCGHSA enrichment
  28. 2026-09-02 14:12 UTCEPSS rescore
  29. 2026-09-02 09:51 UTCGHSA enrichment
  30. 2026-09-01 22:45 UTCEG score recompute
  31. 2026-09-01 22:45 UTCGHSA enrichment
  32. 2026-09-01 13:54 UTCEPSS rescore
  33. 2026-09-01 11:40 UTCEG score recompute
  34. 2026-09-01 11:40 UTCGHSA enrichment
  35. 2026-09-01 04:40 UTCEPSS rescore
  36. 2026-09-01 04:40 UTCEPSS rescore
  37. 2026-08-31 21:40 UTCGHSA enrichment
  38. 2026-08-31 05:56 UTCEG score recompute
  39. 2026-08-31 05:56 UTCGHSA enrichment
  40. 2026-08-30 19:18 UTCEPSS rescore
  41. 2026-08-30 19:17 UTCEPSS rescore
  42. 2026-08-30 18:51 UTCGHSA enrichment
  43. 2026-08-30 07:47 UTCEG score recompute
  44. 2026-08-30 07:46 UTCGHSA enrichment
  45. 2026-08-30 01:22 UTCEPSS rescore
  46. 2026-08-29 20:41 UTCGHSA enrichment
  47. 2026-08-29 08:33 UTCEG score recompute
  48. 2026-08-29 08:32 UTCGHSA enrichment
  49. 2026-08-28 21:42 UTCEPSS rescore
  50. 2026-08-28 03:38 UTCGHSA enrichment
  51. 2026-08-27 16:34 UTCGHSA enrichment
  52. 2026-08-27 04:34 UTCGHSA enrichment
  53. 2026-08-26 17:16 UTCEG score recompute
  54. 2026-08-26 17:16 UTCGHSA enrichment
  55. 2026-08-26 14:47 UTCEPSS rescore
  56. 2026-08-26 11:36 UTCGHSA enrichment
  57. 2026-08-26 00:31 UTCEG score recompute
  58. 2026-08-26 00:31 UTCGHSA enrichment
  59. 2026-08-25 13:49 UTCEPSS rescore
  60. 2026-08-25 13:27 UTCGHSA enrichment
  61. 2026-08-25 02:22 UTCGHSA enrichment
  62. 2026-08-24 15:18 UTCEG score recompute
  63. 2026-08-24 15:18 UTCGHSA enrichment
  64. 2026-08-24 04:13 UTCGHSA enrichment
  65. 2026-08-23 17:08 UTCGHSA enrichment
  66. 2026-08-23 06:04 UTCEG score recompute
  67. 2026-08-23 06:03 UTCGHSA enrichment
  68. 2026-08-23 00:19 UTCEPSS rescore
  69. 2026-08-22 18:59 UTCGHSA enrichment
  70. 2026-08-22 07:54 UTCEG score recompute
  71. 2026-08-22 07:54 UTCGHSA enrichment
  72. 2026-08-21 23:49 UTCEPSS rescore
  73. 2026-08-21 20:49 UTCGHSA enrichment
  74. 2026-08-21 09:44 UTCEG score recompute
  75. 2026-08-21 09:44 UTCGHSA enrichment

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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 on August 12, 2026, with the most recent update on August 26, 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 0.4% probability of exploitation in the next 30 days (32nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-72801?
CVE-2026-72801 has a CVSS base score of 7.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-72801?
A fix for CVE-2026-72801 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-72801 are linked in the Vendor Advisories panel on this page.

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