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Our payment integration with GiroCheckout did not properly validate payment status responses. An attacker could use a successful payment status response from one payment and supply it to the system…

Info
CVECVE-2026-18029
First seen2026-07-28 12:15 UTC
Disclosed2026-07-28 11:17 UTC
Last updated2026-07-28 12:15 UTC
Channel statusauto

Summary

Our payment integration with GiroCheckout did not properly validate payment status responses. An attacker could use a successful payment status response from one payment and supply it to the system for a different payment, gaining access to multiple valid tickets with only one payment.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (1)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://pretix.eu/about/en/blog/20260728-release-2026-6-1/

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD