CRITICAL · 9.6

CVE-2026-66887

The affected products are missing authorization on state-changing CGIs and session checks are not performed.

Vulnerability Description

The affected products are missing authorization on state-changing CGIs and session checks are not performed.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-66887?

CVE-2026-66887 is a vulnerability with a CVSS score of 9.6 (CRITICAL). The affected products are missing authorization on state-changing CGIs and session checks are not performed.

How severe is CVE-2026-66887?

CVE-2026-66887 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-66887?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.