Is there a public exploit for CVE-2026-19677?

No public exploit for CVE-2026-19677 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-19677?

CVE-2026-19677 scores CVSS 9.3 (v4.0), rated critical. EPSS puts the chance of exploitation in the next 30 days at 0.53%.

What does CVE-2026-19677 affect?

CVE-2026-19677 affects onPhase onPhase Forms.

9.3 Critical

An authentication bypass vulnerability in the public onPhase/ frevvo registration form version 11.0.14 allows an unauthenticated remote…

CVE-2026-19677

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.

Assessment

CVSS: 9.3 (v4.0)
Severity: Critical
EPSS: 0.53% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 23 October 2026
Last updated: 2 November 2026
Affected: onPhase · onPhase Forms
Assigner: MON-CSIRT

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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