EUVD-2026-35883

An application using spring-security-saml2-service-provider and the REDIRECT binding for SAML 2.0 Login or Logout may be vulnerable to a denial of service by way of an unbounded writer that inflates the compressed SAML payload into memory. Affected versions: Spring Security 5.7.0 through 5.7.23;...

CVE-2026-40988

CVE-2026-40988 refers to an issue in the use of the REDIRECT binding for SAML 2.0 Login/Logout with the Spring Security SAML2 Service Provider, where an unbounded writer can inflate the compressed SAML payload in memory, causing a denial of service. The vulnerability affects Spring Security versi...

cve-2026-41694 - LOW - SAML Payloads Decrypted Without Valid Signature

cve-2026-41694 - LOW - SAML Payloads Decrypted Without Valid Signature...

CVE-2026-41669

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...

GHSA-5X9F-6VG5-QG4M Omni has a TOCTOU race condition that allows multiple concurrent uses of a single-use SAML session token

Summary SAML.getSession internal/pkg/auth/interceptor/saml.go checks the Used flag on a SAMLAssertion resource and then marks it used in two separate state operations. Because the check and the update are not atomic, concurrent requests carrying the same saml-session token can both observe Used =...

PT-2026-45833

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2025.12.5 authentik versions prior to 2026.2.3 Description The SAML source response processor ResponseProcessor.parse fails to validate the Conditions element on assertions. Specifically, NotBefore, NotOnOrAfter, an...

CVE-2026-9330

IBM WebSphere Application Server 9.0 and 8.5 are affected by CVE-2026-9330 due to improper validation of user-supplied data during deserialization in the SAML Web Single Sign-On component, potentially enabling remote code execution via a crafted HTTP request with a gadget chain. Affected products...

CVE-2026-49381

In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible...

CVE-2026-49381

In JetBrains TeamCity before 2026.1 stored XSS on the SAML login page was possible...

EUVD-2026-33388

In JetBrains TeamCity before 2026.1 open redirect in the SAML plugin was possible...

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

Casdoor versions 2.362.0 and earlier are vulnerable to insufficient session expiration because they fail to enforce SAML assertion time bounds . Although the gosaml2 library correctly computes time-validation results (such as NotOnOrAfter and NotBefore ), the ParseSamlResponse() function fails to...

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 security vulnerability

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...

PT-2026-55415

Casdoor versions 2.362.0 and earlier do not enforce SAML assertion time bounds. The gosaml2 library reports all time-validation results, including NotOnOrAfter and NotBefore, in the assertionInfo.WarningInfo field. However, ParseSamlResponse never reads this field, meaning that time bounds are...