CVE-2026-34524: SillyTavern: Path Traversal in `/api/chats/export` and `/api/chats/delete` allows arbitrary file read/delete within user data root

April 1, 2026 (updated April 6, 2026)

A Path Traversal vulnerability in chat endpoints allows an authenticated attacker to read and delete arbitrary files under their user data root (for example secrets.json and settings.json) by supplying avatar_url="..".

References

github.com/SillyTavern/SillyTavern
github.com/SillyTavern/SillyTavern/releases/tag/1.17.0
github.com/SillyTavern/SillyTavern/security/advisories/GHSA-vprr-q85p-79mf
github.com/advisories/GHSA-vprr-q85p-79mf
nvd.nist.gov/vuln/detail/CVE-2026-34524

Code Behaviors & Features

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