CVE-2026-41670 Admidio: SAML Response Sent to Unvalidated Assertion Consumer Service URL from AuthnRequest

Admidio is an open-source user management solution. Prior to version 5.0.9, the SAML IdP implementation in Admidio's SSO module uses the AssertionConsumerServiceURL value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the...

CVE-2026-2603

CVE-2026-2603 affects Keycloak: an attacker can bypass security by sending a valid SAML response from an external IdP to the Keycloak SAML endpoint for IdP-initiated broker logins, enabling unauthorized authentication. The issue is described across multiple sources (NVD/EUVD/GHSA) with a CVSS v3....

CVE-2018-21263

An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. An attacker could authenticate to a different user's account via a crafted SAML response...

VulnCheck KEV: CVE-2025-59718

A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.10, FortiProxy 7.2.0 through 7.2.14,...

CVE-2025-59719

An improper verification of cryptographic signature vulnerability in Fortinet FortiWeb 8.0.0, FortiWeb 7.6.0 through 7.6.4, FortiWeb 7.4.0 through 7.4.9 may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message...

EUVD-2025-202191

An improper verification of cryptographic signature vulnerability in Fortinet FortiWeb 8.0.0, FortiWeb 7.6.0 through 7.6.4, FortiWeb 7.4.0 through 7.4.9 may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message...

CVE-2025-59719

An improper verification of cryptographic signature vulnerability in Fortinet FortiWeb 8.0.0, FortiWeb 7.6.0 through 7.6.4, FortiWeb 7.4.0 through 7.4.9 may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message...

CVE-2025-59719

An improper verification of cryptographic signature vulnerability in Fortinet FortiWeb 8.0.0, FortiWeb 7.6.0 through 7.6.4, FortiWeb 7.4.0 through 7.4.9 may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message...

CVE-2025-59718

CVE-2025-59718/59719 describe an improper verification of cryptographic signatures that allows an unauthenticated attacker to bypass Fortinet FortiCloud SSO login via a crafted SAML response. Affected products span FortiOS (multiple versions up to 7.6.3, and earlier lines listed), FortiProxy, For...

lasso: Type confusion in Entr'ouvert Lasso

A type confusion vulnerability exists in the lassonodeimplinitfromxml functionality of Entr'ouvert Lasso 2.8.2 and prior. A specially crafted SAML response can lead to an arbitrary code execution. An attacker can send a malformed SAML response to trigger this vulnerability...

Critical: lasso

Issue Overview: A denial of service vulnerability exists in the lassoproviderverifysamlsignature functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability. CVE-2025-4640...

SUSE CVE-2025-46705

A denial of service vulnerability exists in the gassertnotreached functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML assertion response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability...

SUSE CVE-2025-46784

A denial of service vulnerability exists in the lassonodeinitfrommessagewithformat functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerabili...

SUSE CVE-2025-47151

A type confusion vulnerability exists in the lassonodeimplinitfromxml functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML response can lead to an arbitrary code execution. An attacker can send a malformed SAML response to trigger this vulnerability...

CVE-2025-46705

A denial of service vulnerability exists in the gassertnotreached functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML assertion response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability. Mitigation Mitigation fo...

CVE-2025-46784

A denial of service vulnerability exists in the lassonodeinitfrommessagewithformat functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this...

AZL-69847 CVE-2025-46784 affecting package lasso for versions less than 2.9.0-1

A denial of service vulnerability exists in the lassonodeinitfrommessagewithformat functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerabili...

CVE-2025-47151

A type confusion vulnerability exists in the lassonodeimplinitfromxml functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML response can lead to an arbitrary code execution. An attacker can send a malformed SAML response to trigger this vulnerability...

AZL-69863 CVE-2025-47151 affecting package lasso 2.8.0-1

A type confusion vulnerability exists in the lassonodeimplinitfromxml functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML response can lead to an arbitrary code execution. An attacker can send a malformed SAML response to trigger this vulnerability...

AZL-69860 CVE-2025-46784 affecting package lasso 2.8.0-1

A denial of service vulnerability exists in the lassonodeinitfrommessagewithformat functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerabili...