Vulnerability · Published Jul 9, 2026 · Assigned by Nozomi

CVE-2026-31984DoS through oversized audit log entries in Guardian/CMC before 26.2.0

High 7.5

In plain English

A high-severity resource allocation without limits in CMC from Nozomi Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.5%top 56.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A denial-of-service vulnerability caused by unbounded resource allocation was discovered in the audit logging functionality, due to a missing size limit on input recorded into audit entries. An unauthenticated attacker can submit requests containing excessively large input that is recorded into audit entries, possibly exhausting the available disk space and rendering the system inoperable.

Affected products (as reported)

Vendor	Product	Versions
Nozomi Networks	Guardian	0 – before 26.2.0
Nozomi Networks	CMC	0 – before 26.2.0

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

In plain English

Official description

Affected products (as reported)

References