CVE-2026-115937 Mollie - Broken Access Control

Mollie webhook endpoint contains a broken access control vulnerability caused by lack of verification between commerceTransactionHash and id parameters, letting unauthenticated attackers mark arbitrary transactions as paid, exploit requires attacker to have any paid Mollie payment ID.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
23 October 2026
Updated
25 October 2026
Weakness
CWE-345

Vendor fix

Implement verification to ensure commerceTransactionHash and id parameters belong together and restrict access to authenticated requests.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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