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CVE-2026-33194

nvd nist
Published: Mar 20, 2026Modified: Jun 17, 2026

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6.8
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Exploitability: 2.3 / Impact: 4.0
Source: security-advisories@github.com (Secondary)

Description

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the `IsSensitivePath()` function in `kernel/util/path.go` uses a denylist approach that was recently expanded (GHSA-h5vh-m7fg-w5h6, commit 9914fd1) but remains incomplete. Multiple security-relevant Linux directories are not blocked, including `/opt` (application data), `/usr` (local configs/binaries), `/home` (other users), `/mnt` and `/media` (mounted volumes). The `globalCopyFiles` and `importStdMd` endpoints rely on `IsSensitivePath` as their primary defense against reading files outside the workspace. Version 3.6.2 contains an updated fix.

Affected (1)

Products: B3log: Siyuan
B3log
1 product
Siyuan
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Siyuan
Before 3.6.2

Related CWEs

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

Source: security-advisories@github.com
ExploitMitigationVendor Advisory

Timeline

No history available yet.