{"id":"CVE-2026-13223","summary":"Insufficient validation of payment status in pretix-computop","details":"Our payment integration with Computop-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":"2026-07-15T01:49:21.295126876Z","published":"2026-06-25T14:03:54.835Z","database_specific":{"cwe_ids":["CWE-841"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13223.json","cna_assigner":"rami.io"},"references":[{"type":"WEB","url":"https://pypi.python.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13223.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13223"},{"type":"PACKAGE","url":"https://github.com/pretix/pretix-computop"},{"type":"ARTICLE","url":"https://pretix.eu/about/en/blog/20260625-release-2026-5-2/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pretix/pretix-computop","events":[{"introduced":"0"},{"fixed":"b5c27cff7247e46ad884a738961b034ee6bf005d"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.3.2"}],"source":"AFFECTED_FIELD"}}],"versions":["v1.3.1","v1.3.0","v1.1.1","v1.1.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13223.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"}]}