CVE-2026-76524

HIGH CVSS 3.1: 7.8 EPSS 0.14%
Updated Oct 22, 2026
Cisco
Parameter Value
CVSS 7.8 (HIGH)
Type CWE-306 (Missing Authentication for Critical Function)
Vendor Cisco
Public PoC No

A vulnerability in the control channel socket implementation of Open Source Snort 3 could allow an authenticated, local attacker with low privileges to execute arbitrary commands as the Snort 3 process user. This vulnerability is due to a lack of authentication when a local user connects to the Snort control channel socket. An attacker could exploit this vulnerability by connecting to the Snort 3 control channel socket as a local user.

A successful exploit could allow the attacker to execute arbitrary commands as well as read and write Snort 3 process memory.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

cisco:cisco open source snort3