SiYuan before v3.8.4 Path Traversal via setNotebookIcon
Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-100638
PublishedSiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook parameter to escape the workspace data directory and write conf.json files to arbitrary locations accessible by the kernel process.
- Source published
- 26 Sep 2026 13:23:11 UTC
- Source modified
- 30 Sep 2026 13:02:17 UTC
- Observed here
- 23 Oct 2026 15:48:27 UTC
- Source terms
- CVE Program Terms of Use
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CVSS 4.0 · 8.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L
CVSS 3.1 · 7.6 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:L