EUVD-2026-12688

Keycloak: Unauthorized access via improper validation of encrypted SAML assertions...

CVE-2026-44946

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

EUVD-2026-40304

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service ACS handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,...

EUVD-2026-37950

Relyra SAML SignatureValue not cryptographically verified - authentication bypass...

CVE-2026-46423

Rocket.Chat prior to versions 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11 contains a SAML SP issue where the verifySignatures routine returns early if serviceProviderOptions.cert is falsy, causing silent skip of SAML Response and Assertion signature validation when the IdP certi...

CVE-2026-54588

A flaw was found in Poweradmin, a web-based DNS administration tool. An unauthenticated attacker can exploit this vulnerability by manipulating the HTTPHOST request header. This manipulation allows the attacker to poison the redirecturi used in the OpenID Connect OIDC, Security Assertion Markup...

PT-2026-52096

Name of the Vulnerable Software and Affected Versions Rocket.Chat versions prior to 8.5.0 Rocket.Chat versions prior to 8.4.1 Rocket.Chat versions prior to 8.3.3 Rocket.Chat versions prior to 8.2.3 Rocket.Chat versions prior to 8.1.4 Rocket.Chat versions prior to 8.0.5 Rocket.Chat versions prior ...

CVE-2026-54588

Poweradmin (for PowerDNS) is affected by a Host Header Injection vulnerability in auth flows. Versions prior to 4.2.4 and 4.3.3 use the HTTP_HOST header as the authoritative source for building OIDC redirect_uri, SAML ACS/SLO URLs, and logout redirects without validation. An unauthenticated attac...

CVE-2026-13007

Tenable Identity Exposure exposes multiple unauthenticated API endpoints under /w/api/* that return sensitive configuration data (cleartext LDAP credentials, SAML config, user accounts, directory settings). Responses are served with Cache-Control: public and without Vary: Cookie, enabling reverse...

PT-2026-51607

Name of the Vulnerable Software and Affected Versions Poweradmin versions prior to 4.2.4 Poweradmin versions prior to 4.3.3 Description Poweradmin is a web-based DNS administration tool for PowerDNS server. The software uses the attacker-controlled HTTP HOST request header as the authoritative...

CVE-2026-12804

A vulnerability was detected in lemonldap-ng up to 2.23.0. Impacted is an unknown function in the library lemonldap-ng-portal/lib/Lemonldap/NG/Portal/CDC.pm of the component SAML Common Domain Cookie Endpoint. Performing a manipulation of the argument url results in open redirect. The attack is...

CVE-2026-49454

Relyra (Elixir/Phoenix SAML SP) versions 1.0.0 and 1.1.0 are affected by an authentication bypass due to forged SignatureValue not being cryptographically verified in SAML 2.0 processing. The XMLDSig trust boundary was incomplete: :public_key.verify over the exclusive-C14N SignedInfo was not chec...

keycloak: Keycloak: Information disclosure via SAML ECP endpoint

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...

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;...

Spring Security 加密问题漏洞

Spring Security is a security framework developed by Spring OpenSource that includes authentication and authorization features. Spring Security has a data manipulation vulnerability, which stems from SAML decryption of SAML responses, as well as SAML logout requests and logout responses whose...

CVE-2026-41694

Summary: CVE-2026-41694 affects Spring Security SAML, where SAML Responses and parts of LogoutRequests/LogoutResponses are decrypted without requiring a valid signature. This enables an attacker to craft SAML payloads and use the Service Provider as a decryption oracle. Affected versions (per sou...

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-2026-40988: Unbounded DEFLATE Inflation in SAML 2.0 Service Provider

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...

CVE-2026-41694: SAML Payloads Decrypted Without Valid Signature

Since Spring Security SAML decrypts SAML Responses as well as elements of SAML LogoutRequests and LogoutResponses without requiring a valid signature, attackers may be able to craft these SAML payloads and use the Service Provider as a decryption oracle...

Security Bulletin: IBM Datapower Operations Dashboard is vulnerable to Missing XML Validation CVE-2026-1190

Summary keycloak is used by the IBM Datapower Operations Dashboard as part of their IAM and SSO implementation Vulnerability Details CVEID:CVE-2026-1190 DESCRIPTION: A flaw was found in Keycloak's SAML brokering functionality. When Keycloak is configured as a client in a Security Assertion Markup...