Medium severity5.9NVD Advisory· Published Oct 30, 2026
CVE-2026-119422
CVE-2026-119422
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.
Affected products
1- Range: <1.128.0
Patches
Vulnerability mechanics
References
6- abraxaslabs.tech/research/hyperswitch-unsigned-webhooknvd
- github.com/juspay/hyperswitch/blob/v1.127.0/crates/hyperswitch_connectors/src/connectors/worldpayxml.rsnvd
- github.com/juspay/hyperswitch/commit/681cf96bbc888239daf669a71b0554e934210ee3nvd
- github.com/juspay/hyperswitch/commit/e797b36a1af204f4e4820c4938c6e4b10e9ae4fanvd
- github.com/juspay/hyperswitch/releases/tag/v1.128.0nvd
- www.vulncheck.com/advisories/hyperswitch-before-1.128.0-webhook-authentication-bypass-via-worldpayxml-connectornvd
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