{"vulnerability": "CVE-2026-100869", "sightings": [{"uuid": "cead9fba-fc30-4376-abd1-ff95b941d546", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-100869", "type": "seen", "source": "https://gist.github.com/ichintu/f423d36b58b96f0e6b3b72c29160f47e", "content": "On September 27, 2026, four HIGH-severity vulnerabilities were disclosed affecting Sylius e-commerce platforms (versions prior to 1.12.25/1.13.17/1.14.20 and 2.1.16/2.2.9). The flaws include:\n\u2022 **Payment Manipulation & Unauthorized Refunds** (CVE-2026-100872, CVE-2026-100869): Missing validation and API restrictions allow attackers to alter order totals or force refunds while bypassing gateway checks, leading to financial fraud.\n\u2022 **JWT Audience Confusion** (CVE-2026-100871): Malformed tokens from the Shop API can be misinterpreted by the Admin API, enabling privilege escalation to full administrative access.\n\u2022 **Host Header Poisoning** (CVE-2026-100870): Unvalidated `Host` headers allow attackers to forge admin password-reset links, facilitating account takeover.\n\n**Impact & Recommendation:** These vulnerabilities pose significant risks of financial loss and unauthorized administrative access. Users should immediately upgrade to the patched versions and apply vendor-recommended mitigations.", "creation_timestamp": "2026-09-27T16:00:35.000000Z"}]}