CVE-2026-44648: SillyTavern: Existing sessions are not invalidated after password change, allowing session reuse and account takeover

May 12, 2026 (updated June 9, 2026)

Changing a user’s password does not invalidate existing sessions, allowing an attacker with a stolen cookie to retain access even after the victim resets their password.

References

github.com/SillyTavern/SillyTavern/releases/tag/1.18.0
github.com/SillyTavern/SillyTavern/security/advisories/GHSA-wmm3-h9qj-p5v6
github.com/advisories/GHSA-wmm3-h9qj-p5v6
nvd.nist.gov/vuln/detail/CVE-2026-44648

Code Behaviors & Features

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