CVE-2026-74868

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-17. 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 week
7.5EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 7.5Exploit: None knownExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

SiYuan versions before 3.7.4 contain an unthrottled brute-force vulnerability in the Publish Service Basic Auth implementation (PublishServiceTransport.RoundTrip() in kernel/server/proxy/publish.go). The Publish Service runs on a separate, unauthenticated-by-default listener (default TCP port 6808) and gates named publish-viewer accounts (Conf.Publish.Auth.Accounts) with Basic Auth that has no rate limiting, per-account lockout, or backoff. Unauthenticated remote attackers can submit unlimited password guesses against named accounts to gain access to published notes/notebooks.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
49
EG Risk 49/100CISA 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%
Exploitation1% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.5%
EPSS %ILE
42nd
KEV
Not listed

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

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation none (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 17, 2026

Last Modified

August 26, 2026

Advisory Details (2)

Auto-updated Aug 17, 2026
🔬 Proof of concept available. No fix on record yet. Sources: github.
generic

SiYuan before 3.7.4 Brute-Force Authentication via Publish Service | Advisories | VulnCheck

https://www.vulncheck.com/advisories/siyuan-before-brute-force-authentication-via-publish-service
githubMentions a patch (unverified)🟡 PoC Available

Unthrottled brute-force of Publish Service Basic Auth accounts in `PublishServiceTransport.RoundTrip()`, allowing unlimited automated guessing of named publish-viewer passwords on a separate, unauthenticated-by-default port · Advisory · siyuan-note/siyuan · GitHub

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-phg7-xcr4-q5wg

Vendor Advisories for CVE-2026-74868(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 17× in last 7d / 91× 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 185 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-74868?
CVE-2026-74868 is a high vulnerability published on August 17, 2026. SiYuan versions before 3.7.4 contain an unthrottled brute-force vulnerability in the Publish Service Basic Auth implementation (PublishServiceTransport.RoundTrip() in kernel/server/proxy/publish.go). The Publish Service runs on a separate, unauthenticated-by-default listener (default TCP port 6808)…
When was CVE-2026-74868 disclosed?
CVE-2026-74868 was first published on August 17, 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-2026-74868 actively exploited?
CVE-2026-74868 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (42nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-74868?
CVE-2026-74868 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-2026-74868?
No fix for CVE-2026-74868 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-74868 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-74868

Explore →

Is Your Infrastructure Affected by CVE-2026-74868?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs