CVE-2026-72795

HIGHPre-NVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

Score 8.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-12. A secondary CVSS source baseline 8.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Elevated
8.6EG
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: 8.6Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

SiYuan versions before v3.7.4 fail to filter embedded block content by publish access in the getBlockDOMWithEmbed and getBlockDOMsWithEmbed endpoints. Attackers can request published blocks containing embed queries to read content from password-protected, hidden, or forbidden documents without authorization.

CVSS v3
8.6
EG Score
8.6HIGHmedium confidence
EG Risk
70
EG Risk 70/100CISA 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
Severity86% × 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
Patch available.
generic

SiYuan before v3.7.4 Information Disclosure via Embed Block | Advisories | VulnCheck

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

Embedded (transclusion) block content is returned without publish-access filtering, leaking private and password-protected document content to anonymous readers (publish mode) · Advisory · siyuan-note/siyuan · GitHub

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-h6w7-xxcf-w2mq

Vendor Advisories for CVE-2026-72795(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 0.0.0-20260725125659-1ca1c3c9d94b: fixed in 0.0.0-20260725125659-1ca1c3c9d94b
—

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 138 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 19:57 UTCEG score recompute
  4. 2026-10-03 14:26 UTCEPSS rescore
  5. 2026-10-02 21:59 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 14:17 UTCEG score recompute
  11. 2026-09-28 13:52 UTCEPSS rescore
  12. 2026-09-28 01:19 UTCEG score recompute
  13. 2026-09-27 13:48 UTCEPSS rescore
  14. 2026-09-27 09:53 UTCEG score recompute
  15. 2026-09-26 15:59 UTCEPSS rescore
  16. 2026-09-25 03:40 UTCEG score recompute
  17. 2026-09-24 01:42 UTCEG score recompute
  18. 2026-09-23 17:54 UTCEPSS rescore
  19. 2026-09-23 00:03 UTCEG score recompute
  20. 2026-09-21 22:34 UTCEG score recompute
  21. 2026-09-21 21:09 UTCEPSS rescore
  22. 2026-09-21 09:49 UTCEG score recompute
  23. 2026-09-20 20:16 UTCEPSS rescore
  24. 2026-09-19 16:48 UTCEG score recompute
  25. 2026-09-19 04:00 UTCEG score recompute
Show 75 more
  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 02:29 UTCEG score recompute
  3. 2026-09-17 00:19 UTCEG score recompute
  4. 2026-09-16 14:08 UTCEPSS rescore
  5. 2026-09-16 05:15 UTCEPSS rescore
  6. 2026-09-15 15:22 UTCEG score recompute
  7. 2026-09-15 03:12 UTCEPSS rescore
  8. 2026-09-14 00:35 UTCEG score recompute
  9. 2026-09-12 23:06 UTCEG score recompute
  10. 2026-09-12 15:02 UTCEPSS rescore
  11. 2026-09-12 09:47 UTCEG score recompute
  12. 2026-09-11 21:02 UTCEG score recompute
  13. 2026-09-11 14:53 UTCEPSS rescore
  14. 2026-09-10 19:32 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 19:25 UTCEG score recompute
  19. 2026-09-06 17:34 UTCEG score recompute
  20. 2026-09-06 13:48 UTCEPSS rescore
  21. 2026-09-05 16:04 UTCEG score recompute
  22. 2026-09-04 14:15 UTCEG score recompute
  23. 2026-09-04 14:15 UTCGHSA enrichment
  24. 2026-09-04 05:07 UTCEPSS rescore
  25. 2026-09-04 01:28 UTCGHSA enrichment
  26. 2026-09-03 12:43 UTCGHSA enrichment
  27. 2026-09-02 23:28 UTCEG score recompute
  28. 2026-09-02 23:28 UTCGHSA enrichment
  29. 2026-09-02 14:12 UTCEPSS rescore
  30. 2026-09-02 01:58 UTCEG score recompute
  31. 2026-09-02 01:58 UTCGHSA enrichment
  32. 2026-09-01 13:54 UTCEPSS rescore
  33. 2026-09-01 13:14 UTCEG score recompute
  34. 2026-09-01 13:14 UTCGHSA enrichment
  35. 2026-09-01 04:40 UTCEPSS rescore
  36. 2026-09-01 04:40 UTCEPSS rescore
  37. 2026-09-01 00:29 UTCGHSA enrichment
  38. 2026-08-31 11:43 UTCGHSA enrichment
  39. 2026-08-30 22:47 UTCEG score recompute
  40. 2026-08-30 22:47 UTCGHSA enrichment
  41. 2026-08-30 19:18 UTCEPSS rescore
  42. 2026-08-30 19:17 UTCEPSS rescore
  43. 2026-08-30 10:03 UTCEG score recompute
  44. 2026-08-30 10:03 UTCGHSA enrichment
  45. 2026-08-30 01:22 UTCEPSS rescore
  46. 2026-08-29 21:18 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 10:12 UTCGHSA enrichment
  51. 2026-08-27 20:40 UTCEG score recompute
  52. 2026-08-27 20:40 UTCGHSA enrichment
  53. 2026-08-27 14:25 UTCEPSS rescore
  54. 2026-08-27 07:22 UTCGHSA enrichment
  55. 2026-08-26 17:17 UTCEG score recompute
  56. 2026-08-26 17:16 UTCGHSA enrichment
  57. 2026-08-26 14:47 UTCEPSS rescore
  58. 2026-08-26 10:36 UTCGHSA enrichment
  59. 2026-08-25 21:47 UTCEG score recompute
  60. 2026-08-25 21:47 UTCGHSA enrichment
  61. 2026-08-25 13:49 UTCEPSS rescore
  62. 2026-08-25 08:54 UTCGHSA enrichment
  63. 2026-08-24 20:10 UTCEG score recompute
  64. 2026-08-24 20:09 UTCGHSA enrichment
  65. 2026-08-24 07:25 UTCGHSA enrichment
  66. 2026-08-23 18:38 UTCGHSA enrichment
  67. 2026-08-23 05:54 UTCGHSA enrichment
  68. 2026-08-22 17:09 UTCGHSA enrichment
  69. 2026-08-22 04:25 UTCEG score recompute
  70. 2026-08-22 04:25 UTCGHSA enrichment
  71. 2026-08-21 23:49 UTCEPSS rescore
  72. 2026-08-21 15:36 UTCGHSA enrichment
  73. 2026-08-21 02:51 UTCEG score recompute
  74. 2026-08-21 02:51 UTCGHSA enrichment
  75. 2026-08-20 22:56 UTCEPSS rescore

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-72795?
CVE-2026-72795 is a high vulnerability published on August 12, 2026. SiYuan versions before v3.7.4 fail to filter embedded block content by publish access in the getBlockDOMWithEmbed and getBlockDOMsWithEmbed endpoints. Attackers can request published blocks containing embed queries to read content from password-protected, hidden, or forbidden documents without…
When was CVE-2026-72795 disclosed?
CVE-2026-72795 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-2026-72795 actively exploited?
CVE-2026-72795 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-2026-72795?
CVE-2026-72795 has a CVSS base score of 8.6 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-72795?
A fix for CVE-2026-72795 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-72795 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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