CVE-2026-31984 (GCVE-0-2026-31984)

Vulnerability from cvelistv5 – Published: 2026-07-09 07:22 – Updated: 2026-07-09 12:40
VLAI
Title
DoS through oversized audit log entries in Guardian/CMC before 26.2.0
Summary
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.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-770 - Allocation of resources without limits or throttling
Assigner
References
Impacted products
Vendor Product Version
Nozomi Networks Guardian Affected: 0 , < 26.2.0 (semver)
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Nozomi Networks CMC Affected: 0 , < 26.2.0 (semver)
Create a notification for this product.
Date Public
2026-07-07 07:00
Credits
This issue was found by Andrea Palanca of Nozomi Networks Product Security team during an internal investigation.
Show details on NVD website
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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