CVE-2026-73606

MEDIUMPre-NVD 5.85.8—
EchelonGraph scoreMEDIUM confidence

Score 5.8 from GitHub Security Advisory published 2026-08-13. a secondary CVSS source baseline 5.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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(medium)
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
9%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 26, 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 18× in last 7d / 76× 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 111 total refreshes for this CVE.

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

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 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73606 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 90.6% of all scored CVEs.
What is the CVSS score of CVE-2026-73606?
CVE-2026-73606 has a CVSS v3 base score of 5.8 (NVD).
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.

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