CVE-2026-73049Public exploitNetwork attack vectorHinoki check available

Hidden-document metadata disclosure via wrong access list

Published Aug 14, 2026 · Updated Aug 14, 2026

Incorrect authorization in SiYuan before 3.7.4 allows remote attackers to disclose hidden document metadata through published backlinks. FilterAttributeViewBacklinksByPublishAccess calls GetDisablePublishAccess, so hidden documents are omitted from the ignore list and returned for a public row identifier. Anonymous publish-mode access is sufficient; the response exposes database names, row titles, and document paths, but not document bodies or write access.

CVSS severity5.8
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Incorrect authorization in SiYuan before 3.7.4 allows remote attackers to disclose hidden document metadata through published backlinks. FilterAttributeViewBacklinksByPublishAccess calls GetDisablePublishAccess, so hidden documents are omitted from the ignore list and returned for a public row identifier. Anonymous publish-mode access is sufficient; the response exposes database names, row titles, and document paths, but not document bodies or write access.

The record

CVE
CVE-2026-73049
Published
Aug 14, 2026
Updated
Aug 14, 2026
Vendor
SiYuan Note
Product
SiYuan
Classifications
CWE-863, T1213
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <3.7.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SiYuan Note · SiYuanversion=0 <3.7.4

Published CVSS scores

5.8GitHub Security AdvisoryCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1213Data from Information Repositories

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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