Server-side Request Forgery (SSRF) Affecting sillytavern package, versions <1.17.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-SILLYTAVERN-15909745
- published5 Apr 2026
- disclosed1 Apr 2026
- creditbulmax9797-sketch
Introduced: 1 Apr 2026
CVE-2026-34526 (opens in a new tab)How to fix?
Upgrade sillytavern to version 1.17.0 or higher.
Overview
sillytavern is a LLM Frontend for Power Users
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) in the visit endpoint of the /api/search process. An attacker can access internal network resources and retrieve their responses by submitting specially crafted URLs containing hostnames or IPv6 addresses that bypass IP validation. This is only exploitable if the attacker is authenticated or CSRF protection is disabled.