CVE-2026-31984

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://security.nozominetworks.com/NN-2026:11-01	Mitigation Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-827968.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nozominetworks:cmc::::::::
	cpe:2.3:a:nozominetworks:guardian::::::::

History

No history.

Information

Published : 2026-07-09 08:16

Updated : 2026-08-11 13:18

NVD link : CVE-2026-31984

Mitre link : CVE-2026-31984

CVE.ORG link : CVE-2026-31984

JSON object : View

Products Affected

nozominetworks

cmc
guardian

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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