CVE-2026-73045

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-16. 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 before 3.7.4 contains an improper restriction of excessive authentication attempts vulnerability in the authFilePublishAccess endpoint that allows unauthenticated attackers to brute-force per-notebook publish passwords. Attackers can submit unbounded password guesses without rate limiting or CAPTCHA to gain access to password-protected published notebooks.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
50(Track*)
EG Risk 50/100SSVC: Track*

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%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

August 15, 2026

Last Modified

August 26, 2026

Advisory Details (2)

Auto-updated Aug 15, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

SiYuan before 3.7.4 Brute-Force via authFilePublishAccess | Advisories | VulnCheck

https://www.vulncheck.com/advisories/siyuan-before-brute-force-via-authfilepublishaccess
github Patch Available🟡 PoC Available

Unthrottled brute-force of per-notebook Publish password via /api/filetree/authFilePublishAccess · Advisory · siyuan-note/siyuan · GitHub

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v362-968x-gp2v

Vendor Advisories for CVE-2026-73045(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 25× in last 7d / 113× 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 141 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-73045?
CVE-2026-73045 is a high vulnerability published on August 15, 2026. SiYuan before 3.7.4 contains an improper restriction of excessive authentication attempts vulnerability in the authFilePublishAccess endpoint that allows unauthenticated attackers to brute-force per-notebook publish passwords. Attackers can submit unbounded password guesses without rate limiting or…
When was CVE-2026-73045 disclosed?
CVE-2026-73045 was first published in the National Vulnerability Database on August 15, 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-2026-73045 actively exploited?
CVE-2026-73045 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 76.8% of all scored CVEs.
What is the CVSS score of CVE-2026-73045?
CVE-2026-73045 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-73045?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-73045, 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.

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