{"id":"CVE-2026-119422","aliases":[],"cve":{"records":[{"id":"CVE-2026-119422","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-30T02:41:12.895Z","published":"2026-10-30T11:30:52.947Z","modified":"2026-10-30T16:05:29.768Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-30T11:30:52.947Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T16:05:29.768Z"}],"references":[{"url":"https://github.com/juspay/hyperswitch/commit/681cf96bbc888239daf669a71b0554e934210ee3","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/juspay/hyperswitch/commit/e797b36a1af204f4e4820c4938c6e4b10e9ae4fa","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/juspay/hyperswitch/blob/v1.127.0/crates/hyperswitch_connectors/src/connectors/worldpayxml.rs#L1391-L1392","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/juspay/hyperswitch/releases/tag/v1.128.0","tags":["release-notes"],"source":"VulnCheck"},{"url":"https://abraxaslabs.tech/research/hyperswitch-unsigned-webhook","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/juspay/hyperswitch","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/hyperswitch-before-1.128.0-webhook-authentication-bypass-via-worldpayxml-connector","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-345","description":"Insufficient Verification of Data Authenticity","source":"VulnCheck"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T16:05:19.790859Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Hyperswitch before 1.128.0 Webhook Authentication Bypass via Worldpayxml Connector","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"Juspay Hyperswitch before 1.128.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge payment status updates because the Worldpayxml connector's verify_webhook_source always returns true without enforced mTLS. Attackers knowing the merchant_id and Worldpay orderCode can POST unsigned XML with lastEvent SETTLED to the worldpayxml webhook endpoint, marking unpaid payments as charged or triggering refund, dispute and payout events.","score":8.2,"severity":"high","published":"2026-10-30T11:30:52.947Z","modified":"2026-10-30T16:05:29.768Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"juspay","name":"hyperswitch","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"1.128.0","versionType":"semver"},{"version":"0","status":"affected","lessThan":"2026.10.01.0","versionType":"custom"}],"defaultStatus":"unaffected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-119422"}],"remediation":[],"references":["https://github.com/juspay/hyperswitch/commit/681cf96bbc888239daf669a71b0554e934210ee3","https://github.com/juspay/hyperswitch/commit/e797b36a1af204f4e4820c4938c6e4b10e9ae4fa","https://github.com/juspay/hyperswitch/blob/v1.127.0/crates/hyperswitch_connectors/src/connectors/worldpayxml.rs#L1391-L1392","https://github.com/juspay/hyperswitch/releases/tag/v1.128.0","https://abraxaslabs.tech/research/hyperswitch-unsigned-webhook","https://github.com/juspay/hyperswitch","https://www.vulncheck.com/advisories/hyperswitch-before-1.128.0-webhook-authentication-bypass-via-worldpayxml-connector"],"sources":[{"name":"CVE","id":"CVE-2026-119422","modified":"2026-10-30T16:05:29.768Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119422"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.2},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","score":5.9}],"sourceAffected":[],"observedAt":"2026-10-30T17:29:40.696Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T00:50:33.640Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"Hyperswitch before 1.128.0 has an authentication bypass vulnerability via the Worldpayxml connector, allowing unauthenticated attackers to forge payment status updates. Attackers with merchant_id and Worldpay orderCode can manipulate payment events. The weakness is due to insufficient verification of data authenticity.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T11:46:36.136Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-119422"}]}}