CVE-2026-25992 describes a path traversal vulnerability in SiYuan, a personal knowledge management system, affecting versions prior to 3.5.5. Attackers can bypass file access restrictions on case-insensitive file systems (like Windows) by using mixed-case paths to the /api/file/getFile endpoint, allowing unauthorized reading of sensitive configuration files. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-exploitable flaw with low attack complexity and high confidentiality impact, requiring no user interaction or privileges. While the vulnerability is patched in version 3.5.5, there is currently no public exploit code, active exploitation, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.5.5CPE matchmatch criteria | cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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