{"id":"CVE-2026-85531","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-85531","generatedAt":"2026-10-27T23:52:00.555Z","title":"Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc.","description":"Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc. OpenCart Virtual POS Module allows Signature Spoofing by Improper Validation.\n\nThis issue affects OpenCart Virtual POS Module: from 26.8.2 before 26.9.1.","published":"2026-10-09T13:17:11.000Z","lastModified":"2026-10-12T23:17:45.000Z","status":"Deferred","sourceIdentifier":"iletisim@usom.gov.tr","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-347"],"affected":[],"epss":{"score":0.00201,"percentile":0.09878,"date":"2026-10-26","history":[{"date":"2026-10-10","score":0.00201,"percentile":0.09163}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-09T13:17:11.000Z","detail":{"score":"9.8","severity":"CRITICAL","publishedAt":"2026-10-09T13:17:10.957Z"},"summary":"New CVE, critical severity (CVSS 9.8)."}],"references":[{"url":"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1286","source":"iletisim@usom.gov.tr"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-85531","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}