Path Traversal Vulnerability in SillyTavern by SillyTavern
CVE-2026-34523

5.3MEDIUM

Key Information:

Vendor

Sillytavern

Status
Sillytavern
Vendor
CVE Published:
2 April 2026

What is CVE-2026-34523?

SillyTavern, a locally installed user interface designed for interaction with various AI models, contains a path traversal vulnerability in its static file route handler prior to version 1.17.0. This flaw allows unauthorized users to exploit the system by sending specially crafted requests that include percent-encoded '/../' sequences. As a result, an attacker can ascertain the existence of files on the server's filesystem, potentially exposing sensitive information. The vulnerability has been addressed in version 1.17.0, which includes necessary security improvements.

Affected Version(s)

SillyTavern < 1.17.0

References

https://github.com/SillyTavern/SillyTavern/security/advis...
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https://github.com/SillyTavern/SillyTavern/releases/tag/1...
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CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.