{"cve":"CVE-2026-119421","nvd":{"published":"2026-10-30T12:16:38.887","modified":"2026-10-30T12:16:38.887","status":"Received","description":"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. 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.","cvss_v4":{"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},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","score":5.9},"cwes":["CWE-639"],"references":["https://abraxaslabs.tech/research/hyperswitch-payout-confirm-secret","https://github.com/juspay/hyperswitch","https://github.com/juspay/hyperswitch/blob/2026.09.21.0/crates/router/src/core/payouts/helpers.rs#L1465","https://github.com/juspay/hyperswitch/blob/v1.128.0/crates/router/src/services/authentication.rs#L5921-L5927","https://github.com/juspay/hyperswitch/commit/607b15fcc4b7dae71c2aafb8c004eea333ac6fd8"],"products":[],"source":"nvd","synced_at":"2026-10-30T12:42:57.962919830+00:00"},"epss":null,"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}