SiYuan before v3.7.4 Path Traversal via packageName
SiYuan before v3.7.4 fails to validate the packageName parameter in Bazaar install and uninstall endpoints, allowing authenticated administrators to perform path traversal via directory traversal sequences. Attackers with admin access can write arbitrary files to any location via install operations or recursively delete directories via uninstall operations by supplying crafted packageName values.
CVE-2026-77086
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-77086
siyuan
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "siyuan-note",
"product": "siyuan",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "3.7.4",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "3.7.4",
"versionType": "semver"
}
],
"packageURL": "pkg:golang/github.com/siyuan-note/siyuan/kernel",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-77086
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #5527 · Revision 1
- Added to Heist Feed
- Publisher date