CVE-2026-44649

SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to 1.18.0, SillyTavern accepts Remote-User Authelia and X-Authentik-Username Authentik HTTP headers to...

CVE-2026-44649

SillyTavern) vulnerability (CVE-2026-44649) affects SillyTavern before version 1.18.0 where header-based SSO authentication can be bypassed. The root cause is lack of validation that Remote-User (Authelia) and X-Authentik-Username (Authentik) headers originate from a trusted reverse proxy. The lo...

CVE-2026-44649 SillyTavern: Authentication Bypass via SSO Header Injection

SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to 1.18.0, SillyTavern accepts Remote-User Authelia and X-Authentik-Username Authentik HTTP headers to...