All vulnerabilities
CVE-2026-97334

Commvault Cloud: Network messaging layer decompression resource exhaustion

Commvault Commvault Cloud
Open in ThreatlineRecord JSON
CVSS
8.7High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.36%Chance of exploitation activity in the next 30 days, higher than 28% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published13 Oct 2026Updated 13 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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.

Text from CVE List

Affected versions 4

  • Commvault Cloudaffected: 11.46.0 through 11.46.29CVE List
  • Commvault Cloudaffected: 11.44.0 through 11.44.24CVE List
  • Commvault Cloudaffected: 11.40.0 through 11.40.77CVE List
  • Commvault Cloudaffected: 11.36.0 through 11.36.126CVE List

References 1