High severity · published Oct 13, 2026
CVE-2026-97333
QAPI stack-based buffer overflow
7.1
CVSS
0.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Commvault Cloud · Commvault
11.46.0 through 11.46.29; 11.44.0 through 11.44.24; 11.40.0 through 11.40.77; 11.36.0 through 11.36.126 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-97333
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-97333
documentation.commvault.com
https://documentation.commvault.com/securityadvisories/CV_2026_10_4.html
More from Commvault Cloud
9.8
CVE-2026-77098
Private Metrics Server SQL Injection
9.8
CVE-2026-77092
Content Extractor Privilege Escalation
9.8
CVE-2026-77089
Command Center API Authentication Bypass
9.8
CVE-2026-13738
Improper Authorization Validation
9.8
CVE-2026-13737
Command Restriction Bypass