Input validation error in Commerce CyberSource - CVE-2026-81159
Published: September 10, 2026
Vulnerability identifier: #VU148908
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-81159
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected module does not correctly verify the integrity of data returned by the payment provider. A remote attacker can trick the site into registering that payment has been received even if it has not.
Affected software
Commerce CyberSource
How to mitigate CVE-2026-81159
Install updates from vendor's website.
Commerce CyberSource - update to 1.10.0