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    1 vulnerability found for pretix-adyen by pretix

    CVE-2026-101275 (GCVE-0-2026-101275)

    Vulnerability from cvelistv5 – Published: 2026-11-10 12:00 – Updated: 2026-11-10 12:00
    VLAI
    Title
    Insufficient validation of payment status in pretix-adyen
    Summary
    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.
    Assigner
    pretix CNA
    References
    Impacted products
    Vendor Product Version
    pretix pretix-adyen Affected: 0 , < 1.5.4 (python)
    Create a notification for this product.
    Show details on NVD website

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              "repo": "https://github.com/pretix/pretix-adyen",
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                  "version": "0",
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            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "HIGH",
                "attackRequirements": "PRESENT",
                "attackVector": "NETWORK",
                "baseScore": 6.3,
                "baseSeverity": "MEDIUM",
                "exploitMaturity": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "LOW",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "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",
                "version": "4.0",
                "vulnAvailabilityImpact": "NONE",
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                "vulnIntegrityImpact": "LOW",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
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              "scenarios": [
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            "dateUpdated": "2026-11-10T12:00:19.011Z",
            "orgId": "655498c3-6ec5-4f0b-aea6-853b334d05a6",
            "shortName": "pretix"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://pretix.eu/about/en/blog/20261110-adyen/"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Insufficient validation of payment status in pretix-adyen",
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      "cveMetadata": {
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        "assignerShortName": "pretix",
        "cveId": "CVE-2026-101275",
        "datePublished": "2026-11-10T12:00:19.011Z",
        "dateReserved": "2026-09-28T11:48:56.321Z",
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