CVE-2026-97334Network messaging layer decompression resource exhaustion
Updated under an hour ago ()
Does this affect you?
It affects Commvault Cloud. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.36%, higher than 28% of scored CVEs.
Do this next
Free account, 1 product
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 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-409
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.36% (percentile 28)
- Assigned by
- Commvault
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 13, 2026
- First seen by InfoSec Signals
- Oct 13, 2026
Affected products
Commvault Commvault Cloud commvault:cloud (from the name) | from 11.46.0 through 11.46.29; fixed at 11.46.30; from 11.44.0 through 11.44.24; fixed at 11.44.25; from 11.40.0 through 11.40.77; fixed at 11.40.78; from 11.36.0 through 11.36.126; fixed at 11.36.127 | CNA record |
References
- https://documentation.commvault.com/securityadvisories/CV_2026_10_3.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.