siyuan-note SiYuan up to 3.7.3 Publish Authentication getGraph/getLocalGraph publish-password improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.94

Summaryinfo

A vulnerability, which was classified as problematic, was found in siyuan-note SiYuan up to 3.7.3. Affected by this vulnerability is the function getGraph/getLocalGraph of the component Publish Authentication. The manipulation of the argument publish-password results in improper authentication. This vulnerability is reported as CVE-2026-72804. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in siyuan-note SiYuan up to 3.7.3. It has been classified as problematic. Affected is the function getGraph/getLocalGraph of the component Publish Authentication. The manipulation of the argument publish-password with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality. CVE summarizes:

SiYuan versions before v3.7.4 fail to validate publish-password tier in getGraph and getLocalGraph endpoints, allowing anonymous readers to retrieve block-level content of password-protected documents. Attackers can call these endpoints without supplying a password to read protected document content and the complete reference topology.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-72804 since 08/10/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

Upgrading to version 3.7.4 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: SiYuan 3.7.4

Timelineinfo

08/10/2026 CVE reserved
08/12/2026 +2 days Advisory disclosed
08/12/2026 +0 days VulDB entry created
08/12/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-72804 (🔒)
GCVE (CVE): GCVE-0-2026-72804
GCVE (VulDB): GCVE-100-389202

Entryinfo

Created: 08/12/2026 21:54
Changes: 08/12/2026 21:54 (57)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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