Craftcms

CVE-2026-115937: The Mollie webhook endpoint accepts two independent, attacker-controlled parameters and never verifies that they belong together: * commerceTransactionHash

CVE-2026-115937 Oct 23, 2026 Source: Vendor

The Mollie webhook endpoint accepts two independent, attacker-controlled parameters and never verifies that they belong together:

* commerceTransactionHash — selects which Craft Commerce transaction is completed
* id — selects which Mollie payment is queried for its status

An unauthenticated attacker holding any paid Mollie payment ID from the merchant’s account can pair it with any transaction hash.

Commerce queries Mollie, sees status: paid, and marks the target transaction succe

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-115937

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Credited as @ouribe