SiYuan: Broken access control in SiYuan publish-mode Readers can enumerate metadata

published 2026-05-13 5 mo ago modified 2026-06-25 4 mo ago also GHSA-fmh9-gpqh-g53g , GO-2026-5370 , EUVD-2026-30353

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits: 0; none known

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, broken access control in the searchAsset, searchTag, searchWidget, and searchTemplate publish-mode Readers can enumerate metadata from documents that are invisible to the publish service. This vulnerability is fixed in 3.7.0.

Patch / fix

fixed in 1 distros 1

go github.com/siyuan-note/siyuan/kernel 0.0.0-20260512140701-d7b77d945e0d

govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1

opensuse advisories openSUSE-SU-2026:21483-1

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-05-15)

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/siyuan-note/siyuan/security/advisories/GHSA-fmh9-gpqh-g53g referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
GitHub	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
go	github.com/siyuan-note/siyuan/kernel	<0.0.0-20260512140701-d7b77d945e0d	0.0.0-20260512140701-d7b77d945e0d

Affected products

siyuan-note siyuan

Classification

Weakness

CWE-863 Incorrect Authorization

References

github.com /siyuan-note/siyuan/security/advisories/GHSA-fmh9-gpqh-g53g
exploit, web, advisory
nvd.nist.gov /vuln/detail/CVE-2026-45148
advisory
github.com /siyuan-note/siyuan
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary