CVE Catalog

CVE-2026-19677

CriticalCVSS 9.3
Published: Translated: NVD NIST

Summary

An authentication bypass vulnerability in the public onPhase/frevvo registration form version 11.0.14 allows an unauthenticated remote attacker to authenticate as an arbitrary tenant user, obtain TenantAdmin and Designer privileges, and execute arbitrary operating system commands via manipulation of registration parameters.

Risk Assessment

An unauthenticated attacker can gain tenant administrative privileges and execute system commands, posing a serious risk of full system compromise.

Recommendation

Upgrade onPhase/frevvo to a patched version or disable the public registration form until the update is applied.

Related vulnerabilities

Original NVD description (English source)

An authentication bypass vulnerability in the public onPhase/ frevvo registration form version 11.0.14 allows an unauthenticated remote attacker to authenticate as an arbitrary tenant user, obtain TenantAdmin and Designer privileges, and execute arbitrary operating system commands via manipulation of registration parameters containing a valid tenant name and existing user identifier.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS