CVE-2026-5343 SAML SSO - Service Provider - Critical - Authentication bypass - SA-CONTRIB-2026-031

Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal SAML SSO - Service Provider allows Privilege Escalation. This issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.4...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the buildSpCertificateStore function. An attacker can gain unauthorized access by supplying a malicious signing certificate in the SAMLResponse, which is accepted instead of the trusted pre-configured Identit...

Insufficient Session Expiration

Overview Affected versions of this package are vulnerable to Insufficient Session Expiration due to the failure to enforce SAML assertion time bounds in the ParseSamlResponse process. An attacker can maintain unauthorized access or prolong a session by submitting SAML assertions with invalid or...

CVE-2026-9098 CVE-2026-9098

In Casdoor versions 2.362.0 and earlier, the SAML callback handler in controllers/auth.go accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest previously issued by Casdoor. Additionally, if an administrator disables or deletes an IdP...

CVE-2026-9096

CVE-2026-9096 affects Casdoor

CVE-2026-9095 CVE-2026-9095

Casdoor versions 2.362.0 and earlier map SAML assertions to user sessions without replay protection. The ParseSamlResponse function in object/samlsp.go calls sp.RetrieveAssertionInfo and immediately maps the result to a user session. There is no assertion ID cache, OneTimeUse condition enforcemen...

CVE-2026-9794

A flaw was found in Keycloak. A remote, unauthenticated attacker can exploit this vulnerability by sending specially crafted SOAP requests to the SAML ECP Security Assertion Markup Language Enhanced Client or Proxy endpoint with varying client IDs. By observing distinct faultstrings in the...

CVE-2026-9794

Keycloak contains an information-disclosure flaw (CVE-2026-9794) where a remote, unauthenticated attacker can send crafted SOAP requests to the SAML ECP endpoint and observe differing faultstrings to infer the client protocol type. This is the scoped impact reported across NVD/Red Hat CVE entries...

Casdoor 安全漏洞

Casdoor is an open-source platform developed by Casdoor that supports various authentication and authorization protocols. Versions of Casdoor prior to 2.362.0 contained a security vulnerability. This vulnerability stemmed from the buildSpCertificateStore function, which directly extracted X.509...

keycloak: Keycloak: Denial of Service via specially crafted SAML input

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

GHSA-P5MV-GJ8J-XQGF Keycloak: Denial of Service via specially crafted SAML input

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a security vulnerability that stems from remote, unauthenticated attackers being able to send specially crafted XML inputs to SAML endpoints. This vulnerability can lead to high CPU usage and wo...

CVE-2026-42354

Sentry is an error tracking and performance monitoring tool. From version 21.12.0 to before version 26.4.1, a critical vulnerability was discovered in the SAML SSO implementation of Sentry. The vulnerability allows an attacker to take over any user account by using a malicious SAML Identity...

EUVD-2026-28279

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

CVE-2026-41669 Admidio: SAML Signature Validation Result Ignored — Forged AuthnRequests and LogoutRequests Processed

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

CVE-2026-41669 Admidio: SAML Signature Validation Result Ignored — Forged AuthnRequests and LogoutRequests Processed

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

Open Redirect

Overview admidio/admidio is a free open source user management system for websites of organizations and groups. Affected versions of this package are vulnerable to Open Redirect in the handleSSORequest process. An attacker can obtain sensitive user identity attributes and impersonate users by...

EUVD-2026-7736

Sentry: Improper authentication on SAML SSO process allows user identity linking...

CVE-2026-22560

An open redirect vulnerability in Rocket.Chat versions prior to 8.4.0 allows users to be redirected to arbitrary URLs by manipulating parameters within a SAML endpoint...

GHSA-CF45-HXWJ-4CFJ Directus: Open Redirect via Parser Bypass in OAuth2/SAML Authentication Flow

Summary An open redirect vulnerability exists in the login redirection logic. The isLoginRedirectAllowed function fails to correctly identify certain malformed URLs as external, allowing attackers to bypass redirect allow-list validation and redirect users to arbitrary external domains upon...