CVE-2026-42183

CVE-2026-42183 affects Argo Workflows (versions 4.0.0–4.0.4) where a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization() can cause a denial of service for SSO users when SSO_DELEGATE_RBAC_TO_NAMESPACE is true. The issue arises for claims matching a namespace-level RBAC rule b...

CVE-2026-42183 Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From version 4.0.0 to before version 4.0.5, a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a...

CVE-2026-42183 Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From version 4.0.0 to before version 4.0.5, a nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a...

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...

CVE-2026-42354 Sentry: Improper authentication on SAML SSO process allows user identity linking

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...

CVE-2026-41070

openvpn-auth-oauth2 is a plugin/management interface client for OpenVPN server to handle an OIDC based single sign-on SSO auth flows. From version 1.26.3 to before version 1.27.3, when openvpn-auth-oauth2 is deployed in the experimental plugin mode shared library loaded by OpenVPN via the plugin...

CVE-2026-41070 openvpn-auth-oauth2 returns FUNC_SUCCESS on client-deny, allowing unauthenticated VPN access

openvpn-auth-oauth2 is a plugin/management interface client for OpenVPN server to handle an OIDC based single sign-on SSO auth flows. From version 1.26.3 to before version 1.27.3, when openvpn-auth-oauth2 is deployed in the experimental plugin mode shared library loaded by OpenVPN via the plugin...

CVE-2026-41070

openvpn-auth-oauth2 is a plugin/management interface client for OpenVPN server to handle an OIDC based single sign-on SSO auth flows. From version 1.26.3 to before version 1.27.3, when openvpn-auth-oauth2 is deployed in the experimental plugin mode shared library loaded by OpenVPN via the plugin...

openvpn-auth-oauth2 授权问题漏洞

OpenVPN-Auth-OAuth2 is a single-signpoint login authentication integration tool developed by Jan-Otto Kröpke. In versions 1.26.3 to 1.27.3 of OpenVPN-Auth-OAuth2, there were authorization-related vulnerabilities. These vulnerabilities occurred when clients did not support WebAuth/SSO in...

Sentry Python Library 21.12.x < 26.4.1 Improper Authentication (CVE-2026-42354)

The version of Sentry installed on the remote host is 21.12.0 or later but prior to 26.4.1. It is, therefore, affected by a vulnerability: - A critical vulnerability exists in the SAML SSO implementation of Sentry. The vulnerability allows an attacker to take over any user account by using a...

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...

EUVD-2026-28281

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...

Missing Authorization

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Missing Authorization via the Microsoft Teams SSO invoke handler. An attacker can gain unauthorized access to Teams SSO signin functionality by sending specially crafted SSO invoke reques...

EUVD-2026-27295

OpenClaw versions 2026.4.10 before 2026.4.14 contain a missing authorization vulnerability in the Microsoft Teams SSO invoke handler that fails to apply sender allowlist checks. Attackers can bypass sender authorization by sending SSO invoke requests that are processed without proper validation,...

CVE-2026-43572 OpenClaw 2026.4.10 < 2026.4.14 - Missing Sender Authorization in Microsoft Teams SSO Invoke Handler

OpenClaw versions 2026.4.10 before 2026.4.14 contain a missing authorization vulnerability in the Microsoft Teams SSO invoke handler that fails to apply sender allowlist checks. Attackers can bypass sender authorization by sending SSO invoke requests that are processed without proper validation,...

OpenClaw 安全漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw from 2026.4.10 to 2026.4.14 contained security vulnerabilities. These vulnerabilities stemmed from a lack of authorization handling in Microsoft Teams SSO call processing programs. The system...

GHSA-P4GQ-3VXJ-F4JQ Argo Affected by SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

Summary A nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a namespace-level RBAC rule but not an SSO-namespace rule, when SSODELEGATERBACTONAMESPACE=true. Details When getServiceAccountclaims, ssoNamespace...

Argo Affected by SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

Summary A nil pointer dereference in server/auth/gatekeeper.go rbacAuthorization causes a panic denial of service for SSO users whose claims match a namespace-level RBAC rule but not an SSO-namespace rule, when SSODELEGATERBACTONAMESPACE=true. Details When getServiceAccountclaims, ssoNamespace...

PT-2026-37171

Name of the Vulnerable Software and Affected Versions Argo Workflows versions 4.0.0 through 4.0.4 Description A nil pointer dereference in the rbacAuthorization function within server/auth/gatekeeper.go can lead to a denial of service for SSO users. This occurs when SSO DELEGATE RBAC TO NAMESPACE...

Cybercrime Groups Using Vishing and SSO Abuse in Rapid SaaS Extortion Attacks

Cybersecurity researchers are warning of two cybercrime groups that are carrying out "rapid, high-impact attacks" operating almost within the confines of SaaS environments, while leaving minimal traces of their actions. The clusters, Cordial Spider aka BlackFile, CL-CRI-1116, O-UNC-045, and UNC66...