CVE-2026-76447

MEDIUM CVSS 3.1: 5.3
Updated Sep 17, 2026
Cisco
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-306 (Missing Authentication for Critical Function)
Vendor Cisco
Public PoC No

A vulnerability in the Online Certificate Status Protocol (OCSP) responder of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to cause an administrative reload of the OCSP responder certificate and key material. This vulnerability is due to missing authentication on a function of the OCSP responder. An attacker could exploit this vulnerability by sending a crafted request to an affected device.

A successful exploit could allow the attacker to cause the OCSP responder to reload certificate and key material on demand.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption

CVSS Vector v3.1