{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-119422", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-30T02:41:12.895Z", "datePublished": "2026-10-30T11:30:52.947Z", "dateUpdated": "2026-10-30T11:30:52.947Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-30T11:30:52.947Z"}, "datePublic": "2026-09-30T00:00:00.000Z", "title": "Hyperswitch before 1.128.0 Webhook Authentication Bypass via Worldpayxml Connector", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Insufficient Verification of Data Authenticity", "cweId": "CWE-345", "type": "CWE"}]}], "affected": [{"vendor": "juspay", "product": "hyperswitch", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "1.128.0", "status": "affected", "versionType": "semver"}, {"version": "0", "lessThan": "2026.10.01.0", "status": "affected", "versionType": "custom"}], "repo": "https://github.com/juspay/hyperswitch"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/juspay/hyperswitch/commit/681cf96bbc888239daf669a71b0554e934210ee3", "tags": ["patch"]}, {"url": "https://github.com/juspay/hyperswitch/commit/e797b36a1af204f4e4820c4938c6e4b10e9ae4fa", "tags": ["patch"]}, {"url": "https://github.com/juspay/hyperswitch/blob/v1.127.0/crates/hyperswitch_connectors/src/connectors/worldpayxml.rs#L1391-L1392", "tags": ["technical-description"]}, {"url": "https://github.com/juspay/hyperswitch/releases/tag/v1.128.0", "tags": ["release-notes"], "name": "hyperswitch v1.128.0 Release Notes"}, {"url": "https://abraxaslabs.tech/research/hyperswitch-unsigned-webhook", "tags": ["third-party-advisory"]}, {"url": "https://github.com/juspay/hyperswitch", "tags": ["product"]}, {"name": "VulnCheck Advisory: Hyperswitch before 1.128.0 Webhook Authentication Bypass via Worldpayxml Connector", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/hyperswitch-before-1.128.0-webhook-authentication-bypass-via-worldpayxml-connector"}], "credits": [{"lang": "en", "value": "Abraxas Labs", "type": "finder"}, {"lang": "en", "value": "Nithin N", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "hyperswitch", "repo": "https://github.com/juspay/hyperswitch", "vendor": "juspay", "versions": [{"lessThan": "1.128.0", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "2026.10.01.0", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-119422", "lastModified": "2026-10-30T12:16:39.047", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-10-30T12:16:39.047", "references": [{"source": "disclosure@vulncheck.com", "url": "https://abraxaslabs.tech/research/hyperswitch-unsigned-webhook"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/juspay/hyperswitch"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/juspay/hyperswitch/blob/v1.127.0/crates/hyperswitch_connectors/src/connectors/worldpayxml.rs#L1391-L1392"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/juspay/hyperswitch/commit/681cf96bbc888239daf669a71b0554e934210ee3"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/juspay/hyperswitch/commit/e797b36a1af204f4e4820c4938c6e4b10e9ae4fa"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/juspay/hyperswitch/releases/tag/v1.128.0"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/hyperswitch-before-1.128.0-webhook-authentication-bypass-via-worldpayxml-connector"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-345"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

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