{"id":"CVE-2026-41872","state":"PUBLISHED","title":"\"Kura Sushi Official App\" provided by EPG, Inc. is vulnerable to improper certificate validation. A man-in-the-middle attack may allow eavesdropping on, or altering, the communicat","description":"\"Kura Sushi Official App\" provided by EPG, Inc. is vulnerable to improper certificate validation. A man-in-the-middle attack may allow eavesdropping on, or altering, the communication on push notifications between the affected application and the relevant server.","publishedAt":"2026-05-12T05:21:42.802Z","updatedAt":"2026-05-12T13:17:40.535Z","severity":{"score":9.1,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"jpcert"},"assigner":"jpcert","products":["EPG, Inc. \"Kura Sushi Official App\" for Android","EPG, Inc. \"Kura Sushi Official App\" for iOS"],"affected":[{"vendor":"EPG, Inc.","product":"\"Kura Sushi Official App\" for Android","versions":[{"version":"from 2.0.11 to 3.9.10","status":"affected"}]},{"vendor":"EPG, Inc.","product":"\"Kura Sushi Official App\" for iOS","versions":[{"version":"from 2.0.11 to 3.9.10","status":"affected"}]}],"references":["https://play.google.com/store/apps/details?id=jp.co.kura_corpo&hl=ja","https://apps.apple.com/jp/app/id942355925","https://jvn.jp/en/jp/JVN38632731/"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41872.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41872","state":"PUBLISHED","datePublished":"2026-05-12T05:21:42.802Z","dateUpdated":"2026-05-12T13:17:40.535Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2026-04-22T07:25:34.140Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"\"Kura Sushi Official App\" provided by EPG, Inc. is vulnerable to improper certificate validation. A man-in-the-middle attack may allow eavesdropping on, or altering, the communication on push notifications between the affected application and the relevant server."}],"affected":[{"vendor":"EPG, Inc.","product":"\"Kura Sushi Official App\" for Android","versions":[{"version":"from 2.0.11 to 3.9.10","status":"affected"}]},{"vendor":"EPG, Inc.","product":"\"Kura Sushi Official App\" for iOS","versions":[{"version":"from 2.0.11 to 3.9.10","status":"affected"}]}],"references":[{"url":"https://play.google.com/store/apps/details?id=jp.co.kura_corpo&hl=ja"},{"url":"https://apps.apple.com/jp/app/id942355925"},{"url":"https://jvn.jp/en/jp/JVN38632731/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_0":{"version":"3.0","baseSeverity":"HIGH","baseScore":7.4,"vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}},{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","baseSeverity":"CRITICAL","baseScore":9.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","description":"Improper certificate validation","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"shortName":"jpcert","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateUpdated":"2026-05-12T05:21:42.802Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-12T13:17:31.269899Z","id":"CVE-2026-41872","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-12T13:17:40.535Z"}}]}}}