Improper Verification of Cryptographic Signature in Commerce Stripe - CVE-2026-118559
Published: October 29, 2026
Vulnerability identifier: #VU158442
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-118559
CWE-ID: CWE-347
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 improper verification of cryptographic signature of a webhook event when a signing secret has not been properly configured in the payment gateway settings. A remote attacker can trigger improper payment event handling.
Affected software
Commerce Stripe
How to mitigate CVE-2026-118559
Install updates from vendor's website.
Commerce Stripe - addressed in versions 1.4, 2.2.3