Advisory severityHigh8.7Commvault Updated

High [CVE-2026-97334] Network messaging layer decompression resource exhaustion

This high-severity Commvault advisory covers CVE-2026-97334 affecting Commvault Cloud.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CV_2026_10_3 Source published Oct 13, 2026

VulniPulse record published Oct 13, 2026Record updated Oct 13, 2026

CVE-2026-97334

Affected products & platforms

CommvaultCommvault Cloud (Metallic)

Open source advisory

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Summary

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. CVSS: 8.7 Commvault Software To view version support lifecyle, see Commvault software releases, release types, and release tracks.

Supported versions not listed are unaffected. Unsupported versions must be upgraded.

Product Platforms Affected Versions Resolved Version Status Commvault Linux, Windows 11.46.0 - 11.46.29 11.46.30 and higher Resolved Commvault Linux, Windows 11.44.0 - 11.44.24 11.44.25 and higher Resolved Commvault Linux, Windows 11.40.0 - 11.40.77 11.40.78 and higher Resolved Commvault Linux, Windows 11.36.0 - 11.36.126 11.36.127 and higher Resolved

Affected product named by the advisory: Commvault Cloud.

Affected versions

Affected Versions
11.46.0 - 11.46.29
11.44.0 - 11.44.24
11.40.0 - 11.40.77
11.36.0 - 11.36.126

Official advisory · high-confidence parse· fetched 12 hours ago·verify at source

Fixed versions

11.46.30
11.44.25
11.40.78
11.36.127

Official advisory · high-confidence parse· fetched 12 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Install the listed maintenance release (or a more recent one) for your feature release: 11.46.30, 11.44.25, 11.40.78, 11.36.127.

Official advisory · high-confidence parse· fetched 12 hours ago·verify at source

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