NPM: SillyTavern has Authentication Bypass via SSO Header Injection

NPM: SillyTavern has Authentication Bypass via SSO Header Injection vulnerability discovered by ? in WordPress Npm sillytavern versions = 1.17.0...

SillyTavern has Authentication Bypass via SSO Header Injection

Resolution SillyTavern 1.18.0 now includes a configuration option to limit which IP addresses can authorize using SSO headers, limiting to just loopback addresses by default. A setting can be customized according to user's needs. Documentation: https://docs.sillytavern.app/administration/sso/...

EUVD-2026-20560

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the SSO mechanism in Zammad was not verifying the header originates from a trusted SSO proxy/gateway before applying further actions on it. This vulnerability is fixed in 7.0.1 and 6.5.4...