High severity · published Sep 8, 2026
CVE-2026-77091
DataCube Security Feature Bypass
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
DataCube contained a path traversal issue affecting security feature enforcement. Software customers upgrade to resolved maintenance release. Update Content Extractor and Index Store.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% 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 11.46.19; 11.44.0 through 11.44.19; 11.40.0 through 11.40.71; 11.36.0 through 11.36.122 · source: vendor
CO
Commvault · Commvault
11.36.0 before 11.36.123; 11.40.0 before 11.40.72; 11.44.0 before 11.44.20; 11.46.0 before 11.46.20 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77091
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77091
Vendor Advisory
https://documentation.commvault.com/securityadvisories/CV_2026_07_3.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