Cisco ASA URL Redirection to Untrusted Site (CVE-2023-20264)

A vulnerability in the implementation of Security Assertion Markup Language SAML 2.0 single sign-on SSO for remote access VPN in Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to intercept the SAML...

keycloak-services: Keycloak: Unauthorized access via improper validation of encrypted SAML assertions

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

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...

Astra Linux – Vulnerability in Lasso

There is a denial-of-service vulnerability in the lassoproviderverifysamlsignature functionality of Entr’ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a denial-of-service attack. An attacker can send a malformed SAML response to exploit this vulnerability...

Astra Linux – Vulnerability in Lasso

There is a denial-of-service vulnerability in the lassonodeinitfrommessagewithformat functionality of Entr’ouvert Lasso 2.5.1. A specially crafted SAML response can lead to memory depletion, resulting in a denial-of-service attack. An attacker can send a malformed SAML response to exploit this...

Astra Linux – Vulnerability in Lasso

There is a denial-of-service vulnerability 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 attack. An attacker can send a malformed SAML response to exploit this vulnerability...

New NetScaler Zero-Day Exploited in Targeted Attacks Can Knock SAML Deployments Offline

Citrix has released security updates for a high-severity security flaw in NetScaler ADC and NetScaler Gateway that has been exploited as part of targeted zero-day attacks. The vulnerability, tracked as CVE-2026-88779 , carries a CVSS score of 8.7 out of 10.0. "CVE-2026-88779 is a memory overflow...

OPENSUSE-SU-2026:12034-1 python313-python3-saml-1.16.0-2.4 on GA media

These are all security issues fixed in the python313-python3-saml-1.16.0-2.4 package on the GA media of openSUSE Tumbleweed...

PT-2026-105743

These are all security issues fixed in the python313-python3-saml-1.16.0-2.4 package on the GA media of openSUSE Tumbleweed...

CVE-2026-105116

OpenAM before 16.1.3 contains a latent cross-site scripting defect that places the SAML message, relay state and target URL unencoded into the load-balancer cookie bounce auto-submit page. If reachable with cookieHashRedirectEnabled set, crafted requests could execute script in the OpenAM origin,...

CVE-2026-105116 OpenAM before 16.1.3 Latent XSS in SAML Load-Balancer Cookie Bounce Page

OpenAM before 16.1.3 contains a latent cross-site scripting defect that places the SAML message, relay state and target URL unencoded into the load-balancer cookie bounce auto-submit page. If reachable with cookieHashRedirectEnabled set, crafted requests could execute script in the OpenAM origin,...

EUVD-2026-92020

OpenAM before 16.1.3 contains a latent cross-site scripting defect that places the SAML message, relay state and target URL unencoded into the load-balancer cookie bounce auto-submit page. If reachable with cookieHashRedirectEnabled set, crafted requests could execute script in the OpenAM origin,...

CVE-2026-105116 OpenAM before 16.1.3 Latent XSS in SAML Load-Balancer Cookie Bounce Page

OpenAM before 16.1.3 contains a latent cross-site scripting defect that places the SAML message, relay state and target URL unencoded into the load-balancer cookie bounce auto-submit page. If reachable with cookieHashRedirectEnabled set, crafted requests could execute script in the OpenAM origin,...

CVE-2026-105116 OpenAM before 16.1.3 Latent XSS in SAML Load-Balancer Cookie Bounce Page

OpenAM before 16.1.3 contains a latent cross-site scripting defect that places the SAML message, relay state and target URL unencoded into the load-balancer cookie bounce auto-submit page. If reachable with cookieHashRedirectEnabled set, crafted requests could execute script in the OpenAM origin,...

CVE-2026-105116

OpenAM versions prior to 16.1.3 are affected by a latent cross-site scripting (XSS) defect. The vulnerability occurs because the SAML message , relay state , and target URL are placed unencoded into the load-balancer cookie bounce auto-submit page. If the cookieHashRedirectEnabled setting is acti...

[SECURITY] Fedora 45 Update: mod_auth_mellon-0.19.1-7.fc45

The modauthmellon module is an authentication service that implements the SAML 2.0 federation protocol. It grants access based on the attributes received in assertions generated by a IdP server...

[SECURITY] Fedora 45 Update: lasso-2.9.0-11.fc45

Lasso is a library that implements the Liberty Alliance Single Sign On standards, including the SAML and SAML2 specifications. It allows to handle the whole life-cycle of SAML based Federations, and provides bindings for multiple languages...

CVE-2026-23933

A flaw was found in Zabbix. The cryptographic key used for signing Frontend sessions was erroneously written to the database seed. In deployments that utilize both SAML authentication and guest users, an attacker could use this key to forge valid session cookies. This could potentially lead to...

PYSEC-2026-4167 social-auth-core has an Improper Authentication issue

Impact The SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest. Applications using SAML account association could allow an attacker with a valid account on a trusted IdP to link the attacker's SAML...

social-auth-core has an Improper Authentication issue

ImpactThe SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest.Applications using SAML account association could allow an attacker with a valid account on a trusted IdP to link the attacker's SAML...