CVE-2026-72800: SiYuan versions before v3.7.4 fail to apply publish-access filtering to the getAttributeViewKeysByID endpoint,

Q: How do I fix CVE-2026-72800?

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

Q: Is CVE-2026-72800 being exploited?

CVE-2026-72800 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-2026-72800 affect?

CVE-2026-72800 affects affected software. Severity is medium (CVSS 5.8). SiYuan versions before v3.7.4 fail to apply publish-access filtering to the getAttributeViewKeysByID endpoint, allowing authenticated readers to retrieve complete database column schemas including descriptions, select vocabularies, and temp

Q: How urgent is CVE-2026-72800?

Priority 31/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.8REMOTE

CVE-2026-72800 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 fail to apply publish-access filtering to the getAttributeViewKeysByID endpoint, allowing authenticated readers to retrieve complete database column schemas including descriptions, select vocabularies, and template expressions. Additionally, getBlockDefIDsByRefText and getBlockRelevantIDs endpoints enumerate workspace-wide block IDs without publish scoping, enabling attackers to discover valid block identifiers acros

Why this priority

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	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-862
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 · 0.0.0-20260724103335-f36331956ae9 · vulnerable: < 0.0.0-20260724103335-f36331956ae9 · source

go get github.com/siyuan-note/siyuan/kernel@v0.0.0-20260724103335-f36331956ae9 go list -m github.com/siyuan-note/siyuan/kernel

Fedora 46 · uv · FIXED · 0.13.5-2.fc46 · FEDORA-2026-0a45cde16b · source

sudo dnf upgrade --advisory=FEDORA-2026-0a45cde16b

Fedora ELN · oo7 · FIXED · 0.7.0~beta-3.eln159 · FEDORA-2026-f348262964 · source

sudo dnf upgrade --advisory=FEDORA-2026-f348262964

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-5fhr-f75j-8wr9

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-2026-72800?

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

Is CVE-2026-72800 being exploited?

CVE-2026-72800 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-2026-72800 affect?

CVE-2026-72800 affects affected software. Severity is medium (CVSS 5.8). SiYuan versions before v3.7.4 fail to apply publish-access filtering to the getAttributeViewKeysByID endpoint, allowing authenticated readers to retrieve complete database column schemas including descriptions, select vocabularies, and temp

How urgent is CVE-2026-72800?

Priority 31/100. Remotely exploitable, no login, no user action

References

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