CVE-2026-72788: SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the UILayout filter that fail

Q: How do I fix CVE-2026-72788?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Q: Is CVE-2026-72788 being exploited?

CVE-2026-72788 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-72788 affect?

CVE-2026-72788 affects affected software. Severity is medium (CVSS 5.8). SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the UILayout filter that fails to properly restrict administrator workspace state from publish readers. Unauthenticated attackers can retrieve the administrato

Q: How urgent is CVE-2026-72788?

Priority 37/100. CISA SSVC: public proof of concept; Remotely exploitable, no login, no user action

Routine

MEDIUM 5.8REMOTE

CVE-2026-72788 is a medium-severity flaw (CVSS 5.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the UILayout filter that fails to properly restrict administrator workspace state from publish readers. Unauthenticated attackers can retrieve the administrator's open documents, search terms, notebook paths, and private asset locations by calling the getConf endpoint without authentication.

Why this priority

CISA SSVC: public proof of concept
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 65%)
CISA exploited list	No
Weakness	CWE-863
Published	2026-08-12
Last modified	2026-10-24

Publisher (CNA): VulnCheck

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-08-12 20:17 UTCPublished CVE record published
2026-10-24 15:10 UTCUpdated Record last modified

Exact fixes by distribution

Go · github.com/siyuan-note/siyuan/kernel · FIXED · 0.0.0-20260812083335-251596fc0de2 · vulnerable: < 0.0.0-20260812083335-251596fc0de2 · source

go get github.com/siyuan-note/siyuan/kernel@v0.0.0-20260812083335-251596fc0de2 go list -m github.com/siyuan-note/siyuan/kernel

Fedora 46 · clementine · FIXED · 1.4.2-1.fc46 · FEDORA-2026-3e748ef4d3 · source

sudo dnf upgrade --advisory=FEDORA-2026-3e748ef4d3

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/siyuan-note/siyuan/security/advisories/GHSA-hgfg-j9pg-43xw

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-72788?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-72788 being exploited?

CVE-2026-72788 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-72788 affect?

CVE-2026-72788 affects affected software. Severity is medium (CVSS 5.8). SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the UILayout filter that fails to properly restrict administrator workspace state from publish readers. Unauthenticated attackers can retrieve the administrato

How urgent is CVE-2026-72788?

Priority 37/100. CISA SSVC: public proof of concept; Remotely exploitable, no login, no user action

References

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