CVE-2026-74906

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-18. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 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 v3.7.4 contains an incorrect authorization vulnerability in eight publish-mode reader-facing endpoints that filter results using the visibility list instead of the disabled list. Anonymous visitors can discover and read content from documents explicitly marked as forbidden from publishing by accessing search, backlink, asset content, saved criteria, recent documents, graph, and tag endpoints.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
65(Attend)
EG Risk 65/100SSVC: 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
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

August 18, 2026

Last Modified

August 18, 2026

Advisory Details (2)

Auto-updated Aug 18, 2026
Patch available. Sources: github.
generic

SiYuan before v3.7.4 Incorrect Authorization via Publish Access | Advisories | VulnCheck

https://www.vulncheck.com/advisories/siyuan-before-incorrect-authorization-via-publish-access
github Patch Available

Six publish-mode reader-facing endpoints filter results using the "invisible" list instead of the "disabled" (forbidden) list, leaking content from notebooks/documents an admin explicitly disabled from publishing (update: eight endpoints confirmed, see body) · Advisory · siyuan-note/siyuan · GitHub

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-48p5-pffc-5r9p

Vendor Advisories for CVE-2026-74906(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 / 18× 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.

  1. 2026-08-21 03:58 UTCEG score recompute
  2. 2026-08-21 03:57 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 15:46 UTCGHSA enrichment
  5. 2026-08-20 03:32 UTCEG score recompute
  6. 2026-08-20 03:32 UTCGHSA enrichment
  7. 2026-08-19 17:04 UTCEPSS rescore
  8. 2026-08-19 15:19 UTCGHSA enrichment
  9. 2026-08-19 02:59 UTCEG score recompute
  10. 2026-08-19 02:59 UTCGHSA enrichment
  11. 2026-08-18 14:47 UTCEG score recompute
  12. 2026-08-18 14:47 UTCGHSA enrichment
  13. 2026-08-18 14:08 UTCEG score recompute
  14. 2026-08-18 14:07 UTCGHSA enrichment
  15. 2026-08-18 12:35 UTCEG score recompute
  16. 2026-08-18 12:35 UTCGHSA enrichment
  17. 2026-08-18 11:29 UTCEG score recompute
  18. 2026-08-18 11:29 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-74906?
CVE-2026-74906 is a high vulnerability published on August 18, 2026. SiYuan before v3.7.4 contains an incorrect authorization vulnerability in eight publish-mode reader-facing endpoints that filter results using the visibility list instead of the disabled list. Anonymous visitors can discover and read content from documents explicitly marked as forbidden from…
When was CVE-2026-74906 disclosed?
CVE-2026-74906 was first published in the National Vulnerability Database on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-74906 actively exploited?
CVE-2026-74906 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 77.5% of all scored CVEs.
What is the CVSS score of CVE-2026-74906?
CVE-2026-74906 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-74906?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-74906, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-74906

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