CVE-2026-97333: QAPI stack-based buffer overflow

Severity: high (CVSS 7.1 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-13 · updated 2026-10-14
Weakness: CWE-121

Description

QAPI contained a stack-based buffer overflow affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe, Web Server, Command Center and Index Server.

Affected products

Commvault Cloud: from 11.46.0 through 11.46.29; from 11.44.0 through 11.44.24; from 11.40.0 through 11.40.77; from 11.36.0 through 11.36.126

References

https://documentation.commvault.com/securityadvisories/CV_2026_10_4.html

Get alerted when CVE-2026-97333 or the next vulnerability affects your stack