PT-2026-66729

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the SAML protocol implementation when handling authentication requests via the HTTP-Redirect binding. If a client is configured with a wildcard redirect URL, an attacker can...

CVE-2026-18217: Improper Input Validation

A flaw was found in the SAML protocol implementation of Keycloak, an open-source identity and access management solution. The issue occurs when Keycloak handles SAML authentication requests using the HTTP-Redirect binding. If a client is configured with a wildcard redirect URL, an attacker can...

SUSE CVE-2026-55671

ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notification channels, OIDC BackChannel Logout, and SAML metadata URL fetches do not consistently validate user-defined URLs against protected denylist handling, allowing server-side requests to...

CVE-2026-28323 SolarWinds Web Help Desk SAML Authentication Bypass Vulnerability

SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled...

EUVD-2026-51182

SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled...

WordPress SAML Single Sign On – SSO Login plugin <= 5.4.4 - Unauthenticated Authentication Bypass vulnerability

Unauthenticated Authentication Bypass vulnerability discovered by Supakiad S. m3ez in WordPress Plugin SAML SP Single Sign On versions = 5.4.4...

CVE-2026-58066

Rocket.Chat SAML SSO prior to versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8 and 7.10.14 verify XML signatures but do not bind the validated signature to samlp:Response / saml:Assertion. An attacker could submit a wrapped document carrying forged identity attributes alongside a v...

CVE-2026-28323: Improper Authentication

SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled...

CVE-2026-58066: Improper Authentication

Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML signatures but did not bind the validated signature to samlp:Response / saml:Assertion. An attacker could submit a wrapped document carrying forged identity attributes alongside...

GHSA-3735-5339-XFWX Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Summary Poweradmin v4.3.2 uses the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An unauthenticated attacker can poison the redirecturi sent to the Identity Provider,...

Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Summary Poweradmin v4.3.2 uses the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An unauthenticated attacker can poison the redirecturi sent to the Identity Provider,...

CVE-2026-7521

Mattermost versions 11.8.x = 11.8.0, 11.7.x = 11.7.3, 11.6.x = 11.6.5, 10.11.x = 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint...

CVE-2026-7521

Mattermost CVE-2026-7521 affects versions 11.8.x up to 11.8.0, 11.7.x up to 11.7.3, 11.6.x up to 11.6.5, and 10.11.x up to 10.11.20. The issue arises from a failure to verify the file deletion path in the remove file endpoint for SAML admin writes, enabling deletion of arbitrary files outside the...

EUVD-2026-49852

Mattermost versions 11.8.x = 11.8.0, 11.7.x = 11.7.3, 11.6.x = 11.6.5, 10.11.x = 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint...

CVE-2026-7521

Mattermost versions 11.8.x = 11.8.0, 11.7.x = 11.7.3, 11.6.x = 11.6.5, 10.11.x = 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint...

CVE-2026-7521

Mattermost versions 11.8.x = 11.8.0, 11.7.x = 11.7.3, 11.6.x = 11.6.5, 10.11.x = 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint...

CVE-2026-7521 SAML certificate deletion allows path traversal to delete arbitrary files outside the config directory

Mattermost versions 11.8.x = 11.8.0, 11.7.x = 11.7.3, 11.6.x = 11.6.5, 10.11.x = 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint...

Improper Handling of Extra Parameters

Overview org.keycloak:keycloak-saml-core is an Identity and Access Management plugin for Keycloak. Affected versions of this package are vulnerable to Improper Handling of Extra Parameters through the generateRedirectUri logic in org.keycloak.saml.BaseSAML2BindingBuilder. An attacker can cause a...

SUSE SLES16 Security Update : shibboleth-sp (SUSE-SU-2026:22854-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:22854-1 advisory. This update for shibboleth-sp fixes the following issue - CVE-2025-9943: SQL injection in the ID attribute of the SAML response when the...

CVE-2026-7521: Improper Limitation of a Pathname to a Restricted Directory

Mattermost versions 11.8.x = 11.8.0, 11.7.x = 11.7.3, 11.6.x = 11.6.5, 10.11.x = 10.11.20 fail to verify file deletion path which allows an admin with SAML system-console write permissions to delete arbitrary files outside the config directory from the server via the remove file endpoint...