CVE-2026-13602

The CVE-2026-13602 issue describes a session‑takeover chain affecting multiple payment integration plugins (Stripe, pretix-mollie, pretix-oppwa, pretix-bitpay, pretix-payone, pretix-secuconnect, pretix-sofort, pretix-saferpay) and core features. A code path transports session parameters via URL b...

PT-2026-54631

Name of the Vulnerable Software and Affected Versions pretix versions prior to 2026.5.3 Description A chain of weaknesses allows an attacker to impersonate any user in the backend and access any data. The issue stems from payment integration plugins Stripe, pretix-mollie, pretix-oppwa,...

How to investigate service provider trust chains in the cloud

In a recent Microsoft blog post, we documented technical guidance for organizations to protect themselves from the latest NOBELIUM activity that was found to target technology service providers, which are privileged in their downstream customer tenants, as a method to gain access to their...