cve.bz

CVE-2026-23850

7.8 highEPSS 0.6%

High (7.8) in b3log siyuan. EPSS 0.6% chance of exploitation in the next 30 days. Fixed in github.com/siyuan-note/siyuan/kernel 0.0.0-20260118092326-b2274baba2e1.

SiYuan is a personal knowledge management system. In versions prior to 3.5.4, the markdown feature allows unrestricted server side html-rendering which allows arbitrary file read (LFD). Version 3.5.4 fixes the issue.

Severity

CVSS 4.0

7.8 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE
CWE-22
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-cv54-7wv7-qxcwGogithub.com/siyuan-note/siyuan/kernel<0.0.0-20260118092326-b2274baba2e10.0.0-20260118092326-b2274baba2e1
GO-2026-4347Gogithub.com/siyuan-note/siyuan/kernel<0.0.0-20260118092326-b2274baba2e10.0.0-20260118092326-b2274baba2e1

References

Check your stackJSON