Server-side Request Forgery (SSRF) Affecting sillytavern package, versions <1.16.0
Threat Intelligence
This vulnerability is trending on Twitter; this may indicate a growing threat.
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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- published20 Feb 2026
- disclosed19 Feb 2026
- creditq1uf3ng
Introduced: 19 Feb 2026
CVE-2026-26286 (opens in a new tab)How to fix?
Upgrade sillytavern to version 1.16.0 or higher.
Overview
sillytavern is a LLM Frontend for Power Users
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the asset download endpoint. An attacker can access internal services, cloud metadata, and private network resources by sending crafted HTTP requests from the server.