CVE-2026-31984
HIGHDoS through oversized audit log entries in Guardian/CMC before 26.2.0
Title source: cnaDescription
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.
References (1)
Core 1
Core References
Scores
CVSS v3
7.5
EPSS
0.0027
EPSS Percentile
19.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (4)
Nozomi Networks/CMC
< 26.2.0
Nozomi Networks/Guardian
< 26.2.0
nozominetworks/cmc
< 26.2.0
nozominetworks/guardian
< 26.2.0
Published
Jul 09, 2026
Tracked Since
Jul 09, 2026