81 matches found
CVE-2026-48794
Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In versions 4.36.0 through 4.39.19, due to lack of canonicalization of domains in very specific edge cases, an access control rule may b...
CVE-2026-47203
Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In versions 4.38.0 through 4.39.19, when a user authenticates via Basic Auth i.e via the Authorization header with the Basic scheme on t...
CVE-2026-48794
Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In versions 4.36.0 through 4.39.19, due to lack of canonicalization of domains in very specific edge cases, an access control rule may b...
CVE-2026-48794 Authelia has an Edge Case Access Control Rule Mismatch
Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In versions 4.36.0 through 4.39.19, due to lack of canonicalization of domains in very specific edge cases, an access control rule may b...
CVE-2026-48794
CVE-2026-48794 affects Authelia (versions 4.36.0–4.39.19). A domain canonicalization edge case can cause an access control rule to be skipped when it should match a request, under very specific conditions involving forwarded authorization, multi-segment subdomains (e.g., a.b.example.com vs exampl...
CVE-2026-47203
Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In versions 4.38.0 through 4.39.19, when a user authenticates via Basic Auth i.e via the Authorization header with the Basic scheme on t...
CVE-2026-47203 Authelia Missing Username Canonicalization in Basic Auth (LDAP)
Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In versions 4.38.0 through 4.39.19, when a user authenticates via Basic Auth i.e via the Authorization header with the Basic scheme on t...
CVE-2026-47203
CVE-2026-47203 (Authelia) affects Authelia 4.38.0–4.39.19 where using Basic Auth on the authz verification endpoint exposes a bug: the username extracted from the Authorization header is passed to the ban/attempt regulation as-is, while LDAP binds are case-insensitive but regulation SQL lookups c...
PT-2026-51025
Name of the Vulnerable Software and Affected Versions Authelia versions 4.36.0 through 4.39.19 Description Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO. A lack of domain canonicalization in specific edge cases can...
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...
GHSA-HJJ4-HFJM-FMRJ Authelia Missing Username Canonicalization in Basic Auth (LDAP)
Impact CVSSv4 Baseline Score: Moderate 6.3 CVSSv4 Weighted Score: Low 2.9 The full CVSSv4 Vector for this vulnerability is:...
Authelia Missing Username Canonicalization in Basic Auth (LDAP)
Impact CVSSv4 Baseline Score: Moderate 6.3 CVSSv4 Weighted Score: Low 2.9 The full CVSSv4 Vector for this vulnerability is:...
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: 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...
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...
EUVD-2026-33401
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...
GHSA-GXX6-H3G6-VWJH 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/...
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/...
PT-2026-40545
Name of the Vulnerable Software and Affected Versions SillyTavern versions prior to 1.18.0 Description An authentication bypass and account takeover issue exists when Authelia or Authentik SSO is enabled. The software accepts Remote-User for Authelia and X-Authentik-Username for Authentik HTTP...
SUSE CVE-2026-33525
Authelia is an open-source authentication and authorization server providing two-factor authentication and single sign-on SSO for applications via a web portal. In version 4.39.15, an attacker may potentially be able to inject javascript into the Authelia login page if several conditions are met...