{"id":"CVE-2026-18029","state":"PUBLISHED","title":"Insufficient validation of payment status in pretix-girosolution","description":"Our payment integration with GiroCheckout did not properly validate \npayment status responses. An attacker could use a successful payment \nstatus response from one payment and supply it to the system for a \ndifferent payment, gaining access to multiple valid tickets with only \none payment.","publishedAt":"2026-07-28T10:39:29.727Z","updatedAt":"2026-07-28T12:36:18.719Z","severity":{"score":6.3,"label":"Medium","version":"4.0","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","source":"rami.io"},"assigner":"rami.io","products":["pretix GmbH pretix-girosolution"],"affected":[{"vendor":"pretix GmbH","product":"pretix-girosolution","packageName":"pretix-girosolution","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.0.1","versionType":"python"}],"collectionURL":"https://marketplace.pretix.eu"}],"references":["https://pretix.eu/about/en/blog/20260728-release-2026-6-1/"],"weaknesses":["CWE-841"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18029.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18029","state":"PUBLISHED","datePublished":"2026-07-28T10:39:29.727Z","dateUpdated":"2026-07-28T12:36:18.719Z","assignerShortName":"rami.io","assignerOrgId":"655498c3-6ec5-4f0b-aea6-853b334d05a6","dateReserved":"2026-07-28T07:28:43.937Z"},"containers":{"cna":{"title":"Insufficient validation of payment status in pretix-girosolution","descriptions":[{"lang":"en","value":"Our payment integration with GiroCheckout did not properly validate \npayment status responses. An attacker could use a successful payment \nstatus response from one payment and supply it to the system for a \ndifferent payment, gaining access to multiple valid tickets with only \none payment."}],"affected":[{"vendor":"pretix GmbH","product":"pretix-girosolution","packageName":"pretix-girosolution","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.0.1","versionType":"python"}],"collectionURL":"https://marketplace.pretix.eu"}],"references":[{"url":"https://pretix.eu/about/en/blog/20260728-release-2026-6-1/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.3,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-841","lang":"en","description":"CWE-841 Improper enforcement of behavioral workflow","type":"CWE"}]}],"providerMetadata":{"shortName":"rami.io","orgId":"655498c3-6ec5-4f0b-aea6-853b334d05a6","dateUpdated":"2026-07-28T10:39:29.727Z"},"impacts":[{"capecId":"CAPEC-21","descriptions":[{"lang":"en","value":"CAPEC-21 Exploitation of Trusted Identifiers"}]}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-28T12:31:51.212712Z","id":"CVE-2026-18029","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-28T12:36:18.719Z"}}]}}}