CVE-2026-1609

CVE-2026-1609 affects Keycloak: when the JWT authorization grant preview feature is enabled and a user is disabled, Keycloak may not validate the user’s disabled status during JWT grant processing. A remote, low-privilege attacker can present an assertion token from an external IdP to obtain a JW...

CVE-2026-1609

A flaw was found in Keycloak. When the JSON Web Token JWT authorization grant preview feature is enabled and a user account is disabled, Keycloak fails to validate the user’s disabled status during JWT authorization grant processing. A remote attacker with low privileges can exploit this improper...

CVE-2026-47164 Vaultwarden: SSO Email Auto-Link Can Bind an Existing Local Account to an Attacker-Controlled IdP Identity

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO login flow checked the IdP emailverified claim only for new-user creation and not when SSOSIGNUPSMATCHEMAIL=true linked an IdP identity to an existing local account, allowing an attacker-controlled Id...

CVE-2026-47164 Vaultwarden: SSO Email Auto-Link Can Bind an Existing Local Account to an Attacker-Controlled IdP Identity

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO login flow checked the IdP emailverified claim only for new-user creation and not when SSOSIGNUPSMATCHEMAIL=true linked an IdP identity to an existing local account, allowing an attacker-controlled Id...

CVE-2026-47164

Vaultwarden (Rust) prior to 1.36.0 has an authentication flaw in its SSO flow: when SSO_SIGNUPS_MATCH_EMAIL=true, an IdP identity can bind to an existing local Vaultwarden account by asserting a victim email, due to checking the IdP email_verified claim only during new-user creation. This could a...

CVE-2026-47164

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO login flow checked the IdP emailverified claim only for new-user creation and not when SSOSIGNUPSMATCHEMAIL=true linked an IdP identity to an existing local account, allowing an attacker-controlled Id...

CVE-2026-47158 Vaultwarden: CSRF in SSO Authorization Flow

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO authorization flow did not bind the OAuth state parameter accepted by /connect/authorize to the initiating browser session, allowed attacker-controlled PKCE parameters, and left SsoAuth records intact...

CVE-2026-55789 Logto: SAML IdP injects user-controlled profile attributes raw into signed assertions, allowing privilege escalation at relying Service Providers

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's self-hosted SAML application IdP built the signed SAML response and assertion by string-substituting user-controlled profile attributes such as name, email, and custom attribute-mapping values into...

CVE-2026-59151

Prowler is a cloud security platform. Prior to 5.30.3, Prowler's SAML authentication flow trusted the email domain asserted in a SAMLResponse when deciding which tenant should receive the final token, and the ACS finish logic in api/src/backend/api/v1/views.py recalculated the tenant from...

CVE-2026-56666

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive...

EUVD-2026-42966

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive...

CVE-2026-56666 ZITADEL: Auto-linking by email: IdP-side email verification is not checked

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive...

CVE-2026-56666

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive...

CVE-2026-56666 ZITADEL: Auto-linking by email: IdP-side email verification is not checked

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive...

CVE-2026-56666

ZITADEL before v4.15.3 permits auto-linking by email without confirming IdP ownership of the email. The external IdP handler validates the local email but not that the IdP confirms ownership, enabling linking a permissive provider account to a victim’s local account. This vulnerability is address...

CVE-2026-56665

ZITADEL's external JWT Identity Provider validation (internal/idp/providers/jwt/session.go) does not enforce expiration when an incoming token omits the exp claim, causing tokens from trusted issuers to be treated as valid without an automatic expiration window. Affected releases: 3.0.0-rc.1 thro...

CVE-2026-56665 ZITADEL: Missing Token Expiration (`exp`) Validation in JWT IdP Provider

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL is an open source identity management platform. From 3.0.0-rc.1 through 3.4.11 and from 4.0.0-rc.1 through 4.15.1, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session....

CVE-2026-56665 ZITADEL: Missing Token Expiration (`exp`) Validation in JWT IdP Provider

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL is an open source identity management platform. From 3.0.0-rc.1 through 3.4.11 and from 4.0.0-rc.1 through 4.15.1, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session....

CVE-2026-56664 ZITADEL: Missing Token Lifecyle Validation (`exp` and `iat`) in JWT IdP Provider

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session.go skips the maximum token age freshness check when an incoming token omits the iat claim, allowing arbitrarily old tokens...

CVE-2026-56664 ZITADEL: Missing Token Lifecyle Validation (`exp` and `iat`) in JWT IdP Provider

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validation in internal/idp/providers/jwt/session.go skips the maximum token age freshness check when an incoming token omits the iat claim, allowing arbitrarily old tokens...