freeIPA: idm: freeipa: idp-add eval() reachable before authorization check allows environment disclosure and denial of service

A flaw was found in FreeIPA's idp-add command, where insufficiently validated --organization/--base-url input reaches a constrained eval call before the corresponding LDAP access control check is enforced. This allows any authenticated IPA principal, regardless of privilege level, to enumerate an...

CVE-2026-55210: Authentication Bypass by Spoofing

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Server's UserModel.ssoLogin returns an existing account matched by an IdP-asserted email without checking the account's isexternal flag. In deployments using mixed loca...

CVE-2026-78425

Authorised users of outside applications behind the same corporate identity provider IdP, for example, a wiki, a ticketing system, an expenses tool, or anything they legitimately hold an account on can log into their system via SAML SSO. The IdP issues an assertion to them. If that assertion is...

CVE-2026-78425 SAML Audience Confusion Allows Cross-SP Authentication

Authorised users of outside applications behind the same corporate identity provider IdP, for example, a wiki, a ticketing system, an expenses tool, or anything they legitimately hold an account on can log into their system via SAML SSO. The IdP issues an assertion to them. If that assertion is...

GO-2026-6469 ZITADEL: Missing Token Expiration (`exp`) Validation in JWT IdP Provider in github.com/zitadel/zitadel

ZITADEL: Missing Token Expiration exp Validation in JWT IdP Provider in github.com/zitadel/zitadel. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from...

EUVD-2026-80069

Under certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user...

CVE-2026-15640

Under certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user...

CVE-2026-15640: Authentication Bypass by Spoofing

Under certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user...

CVE-2026-15640

CVE-2026-15640 affects Delinea Secret Server , a secrets management product. Under certain conditions, a valid SAML Identity Provider (IdP) response can be manipulated to impersonate another Secret Server user , effectively bypassing authentication. The vulnerability is rated CVSS 4.0: 9.5 (Criti...

PT-2026-93223

Name of the Vulnerable Software and Affected Versions Secret Server affected versions not specified Description Under certain conditions, a valid SAML IdP response may be used to impersonate another user. SAML Security Assertion Markup Language is an XML-based standard for exchanging authenticati...

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

Summary A flaw in the external identity provider handler allows unauthorized account linking to occur under specific administrative configurations. When auto-linking by email is enabled, ZITADEL checks that the local user's email is verified, but does not explicitly cross-check whether the incomi...

ZITADEL: Missing Token Expiration (`exp`) Validation in JWT IdP Provider

Summary A token lifecycle validation vulnerability was discovered in ZITADEL's external JWT Identity Provider IdP implementation Specifically, within the validation pipeline, if an incoming JWT omits the exp claim entirely, the expiration block is silently skipped rather than rejected. The token ...

GHSA-V77H-2W3M-94HX ZITADEL: Missing Token Expiration (`exp`) Validation in JWT IdP Provider

Summary A token lifecycle validation vulnerability was discovered in ZITADEL's external JWT Identity Provider IdP implementation Specifically, within the validation pipeline, if an incoming JWT omits the exp claim entirely, the expiration block is silently skipped rather than rejected. The token ...

SUSE CVE-2026-87853

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

DEBIAN-CVE-2026-87853

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

CVE-2026-87853

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

UBUNTU-CVE-2026-87853

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

CVE-2026-87853

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

CVE-2026-87853 Sssd: sssd: idp authentication prefix comparison allows cross-user impersonation

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

CVE-2026-87853

SSSD (System Security Services Daemon) contains a flaw in its IdP authentication provider . The eval_access_token_buf() function compares the OIDC subject identifier using strncmp() with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attac...