{"id":"CVE-2026-119421","title":"Hyperswitch through 1.128.0 Missing Authorization in Payout Confirmation","summary":"Juspay Hyperswitch through 1.128.0 (and builds before 2026.10.19.0) contains a missing authorization vulnerability that allows unauthenticated attackers to confirm payouts with any client_secret via POST /payouts/{payout_id}/confirm. Att…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"juspay","product":"hyperswitch","affected":["hyperswitch <= 1.128.0","hyperswitch < 2026.10.19.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-30T15:20:56.954253Z"},"published":"2026-10-30","updated":"2026-10-30","sourceUpdated":"2026-10-30T15:55:12.805Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119421","references":[{"url":"https://github.com/juspay/hyperswitch/commit/f1144ec5c7e38b3b048fe797fad57e743041f345"},{"url":"https://github.com/juspay/hyperswitch/commit/607b15fcc4b7dae71c2aafb8c004eea333ac6fd8"},{"url":"https://github.com/juspay/hyperswitch/blob/v1.128.0/crates/router/src/services/authentication.rs#L5921-L5927"},{"url":"https://github.com/juspay/hyperswitch/blob/2026.09.21.0/crates/router/src/core/payouts/helpers.rs#L1465"},{"url":"https://abraxaslabs.tech/research/hyperswitch-payout-confirm-secret"},{"url":"https://github.com/juspay/hyperswitch"},{"url":"https://www.vulncheck.com/advisories/hyperswitch-through-1.128.0-missing-authorization-in-payout-confirmation","label":"VulnCheck Advisory: Hyperswitch through 1.128.0 Missing Authorization in Payout Confirmation"}],"tags":["cve.org"],"epss":0.0034,"epssPercentile":0.2764,"ingestedAt":"2026-11-05T16:07:30.522Z","slug":"CVE-2026-119421","body":"## Overview\n\nJuspay Hyperswitch through 1.128.0 (and builds before 2026.10.19.0) contains a missing authorization vulnerability that allows unauthenticated attackers to confirm payouts with any client_secret via POST /payouts/{payout_id}/confirm. Attackers holding the merchant's publishable key and a payout_id can confirm payouts and overwrite amount, currency, connector, and routing fields to trigger unauthorized merchant payouts.\n\n## Affected\n\n- `hyperswitch <= 1.128.0`\n- `hyperswitch < 2026.10.19.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}