CVE-2026-13738 PUBLISHED

Improper Authorization Validation

Assigner: Commvault
Reserved: 29.06.2026 Published: 11.08.2026 Updated: 11.08.2026

CommServe contained an authorization bypass vulnerability affecting a limited set of command execution operations. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including Commserve, Webserver, Command Center, Media Agents, Clients and HyperScale X.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Commvault
Product	Commvault Cloud
Versions	Default: unknown affected from 11.46.0 to 11.46.9 (incl.) affected from 11.44.0 to 11.44.10 (incl.) affected from 11.40.0 to 11.40.62 (incl.) affected from 11.36.0 to 11.36.113 (incl.)

References

https://documentation.commvault.com/securityadvisories/CV_2026_07_9.html

Problem Types

CWE-863: Incorrect Authorization