{"id":"CVE-2026-13222","summary":"Insufficient validation of payment status in pretix-oppwa","details":"Our payment integration with Oppwa-based payment methods did not \nproperly validate payment status responses. An attacker could use a \nsuccessful payment status response from one payment and supply it to the\n system for a different payment, gaining access to multiple valid \ntickets with only one payment.","modified":"2026-07-15T01:48:56.299074527Z","published":"2026-06-25T14:07:03.521Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13222.json","cna_assigner":"rami.io","cwe_ids":["CWE-841"]},"references":[{"type":"WEB","url":"https://pypi.python.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13222.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13222"},{"type":"PACKAGE","url":"https://github.com/pretix/pretix-oppwa"},{"type":"ARTICLE","url":"https://pretix.eu/about/en/blog/20260625-release-2026-5-2/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pretix/pretix-oppwa","events":[{"introduced":"0"},{"fixed":"775e3ff1e2782cb41df065afb7517dbe5eee4bf4"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.4.3"}],"source":"AFFECTED_FIELD"}}],"versions":["v1.4.2","v1.4.1","v1.4.0","v1.3.0","v1.2.1","v1.2.0","v1.1.2","v1.1.1","v1.1.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13222.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}