CVE-2026-101275

Insufficient validation of payment status in pretix-adyen

Published Nov 10, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
Our payment integration with Adyen 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-20
CWE-285
Type Values Removed Values Added
Description Our payment integration with Adyen 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.
Title Insufficient validation of payment status in pretix-adyen
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
pretix
Published
Updated
Nov 10, 2026, 12:00 PM
Reserved
Sep 28, 2026, 11:48 AM
Status
Awaiting Analysis
Published
Nov 10, 2026, 12:17 PM
Modified
Nov 12, 2026, 7:02 PM