CVE-2026-0750
Published: 28 January 2026
Summary
CVE-2026-0750 is a high-severity Improper Verification of Cryptographic Signature (CWE-347) vulnerability in Verifone Commerce Paybox. Its CVSS base score is 8.7 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 20.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified are NIST 800-53 IA-8 (Identification and Authentication (Non-organizational Users)) and SI-2 (Flaw Remediation).
Deeper analysis
CVE-2026-0750 is an Improper Verification of Cryptographic Signature vulnerability (CWE-347) in the Drupal Commerce Paybox module for Drupal 7.x. The issue affects versions from 7.x-1.0 through 7.x-1.5 and enables authentication bypass. It received a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N), rated as high severity due to its impact on integrity.
Remote, unauthenticated attackers can exploit this vulnerability over the network with low complexity and without requiring user interaction. Exploitation allows bypassing authentication mechanisms, specifically enabling payment bypass in the affected Commerce Paybox module.
Mitigation details are available in advisories such as the TAG1 Drupal 7 Extended Support security advisory at https://d7es.tag1.com/security-advisories/commerce-paybox-moderately-critical-payment-bypass-vulnerability and the HeroDevs vulnerability directory entry at https://www.herodevs.com/vulnerability-directory/cve-2026-0750.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-4875
Vulnerability details
Improper Verification of Cryptographic Signature vulnerability in Drupal Drupal Commerce Paybox Commerce Paybox on Drupal 7.X allows Authentication Bypass.This issue affects Drupal Commerce Paybox: from 7-x-1.0 through 7.X-1.5.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Direct remote exploitation of a public-facing web application (Drupal module) via improper cryptographic signature verification enabling auth/payment bypass.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
SI-7 mandates integrity verification using digital signatures and related techniques, directly addressing the improper cryptographic signature verification (CWE-347) that enables authentication bypass in the Drupal Commerce Paybox module.
SI-2 requires timely identification, reporting, and remediation of flaws like CVE-2026-0750 through patching the vulnerable Drupal Commerce Paybox versions 7.x-1.0 to 7.x-1.5.
IA-8 ensures non-organizational users are uniquely identified and authenticated, mitigating the remote unauthenticated authentication bypass in the payment processing module.