CVE-2026-19677 frevvo registration form - Authentication Bypass

frevvo registration form 11.0.14 contains an authentication bypass caused by manipulation of registration parameters with valid tenant name and user ID, letting unauthenticated remote attackers gain TenantAdmin and Designer privileges and execute OS commands.

CVSS base score 9.3 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.53% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Remote Code Execution, Privilege Escalation
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
23 October 2026
Updated
25 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest version of frevvo registration form.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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