CVE-2026-33066
SiYuan has Stored XSS to RCE via Unsanitized Bazaar README Rendering in github.com/siyuan-note/siyuan/kernel
EPSS 0.11%
Description
SiYuan has Stored XSS to RCE via Unsanitized Bazaar README Rendering in github.com/siyuan-note/siyuan/kernel
How to fix CVE-2026-33066
To remediate CVE-2026-33066, upgrade the affected package to a fixed version below.
- Go/github.com/siyuan-note/siyuan/kernel—upgrade to 0.0.0-20260314111550-b382f50e1880 or later
- Go/github.com/siyuan-note/siyuan/kernel—upgrade to 0.0.0-20260314111550-b382f50e1880 or later
Is CVE-2026-33066 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.0.0-20260314111550-b382f50e1880
- from 0, < 0.0.0-20260314111550-b382f50e1880
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |