Advisories for Pypi/Prowler-Cloud package

2026

Prowler: SAML Domain Claiming Enables Cross-Tenant Account Takeover

Prowler's SAML authentication flow trusted the email domain asserted in a SAMLResponse when deciding which tenant should receive the final token. A malicious tenant with its own SAML configuration and a self-controlled IdP could complete a valid SAML flow for its own configured domain, while asserting an email address from another configured domain. In the vulnerable flow, the ACS finish logic later derived the tenant from the asserted email domain …