CVE-2026-20291 Cisco Snort 3 - Privilege Escalation

Cisco Snort 3 contains an improper privilege management vulnerability caused by flawed privilege handling, letting attackers escalate privileges, exploit requires internal conditions.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
21 October 2026
Updated
22 October 2026
Weakness
CWE-269

Vendor fix

Update to the latest Snort 3 version with security hardening fixes.

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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