{"id":"CVE-2026-13223","aliases":["EUVD-2026-39413","GHSA-5qw6-59g4-vvqw"],"status":"published","title":"Insufficient validation of payment status in pretix-computop","description":"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.","severity":{"version":"4.0","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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00331,"percentile":0.26578,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-841"],"published":"2026-06-25T14:03:54Z","modified":"2026-10-28T02:31:05Z","products":[{"vendor":"pretix","product":"pretix-computop"}],"references":[{"url":"https://pretix.eu/about/en/blog/20260625-release-2026-5-2/","tags":["article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13223","tags":["advisory"]},{"url":"https://pretix.eu/about/en/blog/20260625-release-2026-5-2"},{"url":"https://github.com/advisories/GHSA-5qw6-59g4-vvqw"},{"url":"https://pypi.python.org","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13223.json","tags":["advisory"]},{"url":"https://github.com/pretix/pretix-computop","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-13223","title":"Insufficient validation of payment status in pretix-computop","description":"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.","status":"published","published":"2026-06-25T14:03:54.835Z","modified":"2026-06-25T15:14:14.673Z","cvss":[{"version":"4.0","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","level":"medium","assessor":"cna"}],"cwes":["CWE-841"],"updated_at":"2026-11-02T14:19:50.24628Z"}],"euvd":[{"id":"EUVD-2026-39413","description":"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.","status":"published","published":"2026-06-25T14:03:54Z","modified":"2026-06-25T15:14:14Z","cvss":[{"version":"4.0","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","level":"medium"}],"updated_at":"2026-11-02T18:20:25.700423Z"}],"ghsa":[{"id":"GHSA-5qw6-59g4-vvqw","title":"Our payment integration with Computop-based payment methods did not \nproperly validate payment...","description":"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.","status":"published","published":"2026-06-25T15:32:02Z","modified":"2026-06-25T15:32:10Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-841"],"updated_at":"2026-11-02T15:08:59.328511Z"}],"nvd":[{"id":"CVE-2026-13223","description":"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.","status":"published","published":"2026-06-25T15:16:34.27Z","modified":"2026-10-25T23:10:00.167Z","cvss":[{"version":"4.0","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-841"],"updated_at":"2026-11-02T14:12:26.045561Z"}],"osv":[{"id":"CVE-2026-13223","title":"Insufficient validation of payment status in pretix-computop","description":"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.","status":"published","published":"2026-06-25T14:03:54.835Z","modified":"2026-10-28T02:31:05.514834366Z","cvss":[{"version":"4.0","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","level":"medium"}],"cwes":["CWE-841"],"updated_at":"2026-11-02T15:44:57.354194Z"}]}}