CVE-2026-72792: SiYuan before v3.7.4 Information Disclosure via Tag API

Published Aug 12, 2026
·
Updated

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that returns tag labels and occurrence counts from password-protected documents to unauthenticated readers. Attackers can enumerate tag vocabulary and internal terminology from password-protected documents by calling the tag endpoint without providing the document's publish password.

Affected Software

1 affected component
SiYuan<v3.7.4

Event History

Aug 12, 2026
CVE Published
via MITRE·07:07 PM
Data Sourced
via MITRE·07:07 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-72792?

The severity of CVE-2026-72792 is classified as medium with a score of 5.8.

2

How do I fix CVE-2026-72792?

To fix CVE-2026-72792, upgrade to SiYuan version 3.7.4 or later.

3

What type of vulnerability is CVE-2026-72792?

CVE-2026-72792 is an information disclosure vulnerability affecting the /api/tag/getTag endpoint.

4

What can attackers do with CVE-2026-72792?

With CVE-2026-72792, attackers can enumerate tag vocabulary and internal terminology from password-protected documents.

5

Which software is affected by CVE-2026-72792?

SiYuan versions before 3.7.4 are affected by CVE-2026-72792.

Contact

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