CVE-2026-31984
DoS through oversized audit log entries in Guardian/CMC before 26.2.0
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-770 |
| Vendor | nozomi networks |
| Product | guardian |
| Published | Jul 9, 2026 |
| Last Updated | Jul 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Nozomi Networks / Guardian
0 < 26.2.0
Nozomi Networks / CMC
0 < 26.2.0
References
Credits
This issue was found by Andrea Palanca of Nozomi Networks Product Security team during an internal investigation.