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 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...

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...

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/...

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/...

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...

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...

GO-2026-4818 Authelia: Improper Neutralization of Input During Web Page Generation Leads to Potential Cross-site Scripting in github.com/authelia/authelia

Authelia: Improper Neutralization of Input During Web Page Generation Leads to Potential Cross-site Scripting in github.com/authelia/authelia...

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...

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...

CVE-2026-33525 Authelia: Improper Neutralization of Input During Web Page Generation Leads to Potential Cross-site Scripting

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...

CVE-2026-33525

Authelia (github.com/authelia/authelia) is affected by CVE-2026-33525 in version 4.39.15, due to improper neutralization of input during web page generation that could allow JavaScript injection on the login page. The root cause is described as unsafe handling of the langauge cookie value when re...

CVE-2026-33525 Authelia: Improper Neutralization of Input During Web Page Generation Leads to Potential Cross-site Scripting

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...

CVE-2026-33525 Authelia: Improper Neutralization of Input During Web Page Generation Leads to Potential Cross-site Scripting

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...