CVE-2026-77470

{
  "etk_id": "ETK-2026-1701",
  "cve_id": "CVE-2026-77470",
  "display_id": "CVE-2026-77470",
  "ghsa_id": "GHSA-476v-jr53-8rxc",
  "euvd_id": "EUVD-2026-102196",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated payment parameter override in Lychee webshop",
  "summary": "Lychee releases before 7.7.1 may allow unauthenticated shoppers to alter payment parameters during webshop checkout. An attacker may cause an affected payment gateway to accept a lower payment for automatically fulfilled goods when the webshop is enabled, an item is available for purchase, and a non-PayPal Omnipay gateway is configured.",
  "mitigation": "Upgrade lychee-org/lychee to > 7.7.0 or later.",
  "vendor": "LycheeOrg",
  "product": "Lychee",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 7.7.0"
      ],
      "ecosystem": "composer",
      "fixed_versions": [
        "> 7.7.0"
      ],
      "package_name": "lychee-org/lychee",
      "purl": "pkg:composer/lychee-org/lychee"
    }
  ],
  "cwes": [
    20
  ],
  "cvss_score": 8.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N",
  "epss_score": 0.0045,
  "epss_percentile": 0.3792,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 38.88252431666667,
  "t0_at": "2026-10-15T16:36:09.597000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-15T16:36:09.597000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-15T16:36:09.597000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-77470"
    }
  }
}