CVE-2026-34522: SillyTavern has a path traversal in `/api/chats/import` allows arbitrary file write outside intended chat directory

April 1, 2026 (updated April 6, 2026)

A path traversal vulnerability in /api/chats/import allows an authenticated attacker to write attacker-controlled files outside the intended chats directory by injecting traversal sequences into character_name.

References

github.com/SillyTavern/SillyTavern
github.com/SillyTavern/SillyTavern/releases/tag/1.17.0
github.com/SillyTavern/SillyTavern/security/advisories/GHSA-xvww-xhx6-22pf
github.com/advisories/GHSA-xvww-xhx6-22pf
nvd.nist.gov/vuln/detail/CVE-2026-34522

Code Behaviors & Features

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