Insufficient Session Expiration Affecting sillytavern package, versions <1.18.0
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-16691318
- published14 May 2026
- disclosed12 May 2026
- creditzzzm0919
Introduced: 12 May 2026
CVE-2026-44648 (opens in a new tab)How to fix?
Upgrade sillytavern to version 1.18.0 or higher.
Overview
sillytavern is a LLM Frontend for Power Users
Affected versions of this package are vulnerable to Insufficient Session Expiration due to the failure to invalidate existing sessions after a password change. An attacker can maintain unauthorized access to an account by reusing a previously stolen session cookie, even after the legitimate user resets their password.