CVE-2026-97334

Network messaging layer decompression resource exhaustion

Published Oct 13, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
The network messaging layer contained improper handling of highly compressed data affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe server, Web Server, Command Center, MediaAgents, clients, and HyperScale.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-409
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The network messaging layer contained improper handling of highly compressed data affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe server, Web Server, Command Center, MediaAgents, clients, and HyperScale.
Title Network messaging layer decompression resource exhaustion
References
Metrics cvssV4_0

{'score': 8.7, 'vector': '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'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Commvault
Published
Updated
Oct 13, 2026, 2:40 PM
Reserved
Sep 24, 2026, 12:01 PM
Status
Awaiting Analysis
Published
Oct 13, 2026, 3:17 PM
Modified
Oct 14, 2026, 4:04 PM