CVE-2026-18228 PUBLISHED

Hyperscale Path Traversal

Assigner: Commvault
Reserved: 29.07.2026 Published: 13.10.2026 Updated: 13.10.2026

HyperScale contained a path traversal issue affecting information disclosure. Software customers upgrade to resolved maintenance release. Update Commvault installation of HyperScale MediaAgents.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 7.1

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

CVSS 4.0

Product Status

Vendor	Commvault
Product	Commvault Cloud
Versions	Default: unknown affected from 11.46.0 to 11.46.29 (incl.) affected from 11.44.0 to 11.44.24 (incl.) affected from 11.40.0 to 11.40.77 (incl.) affected from 11.36.0 to 11.36.126 (incl.)

Credits

Thomas Pianezzola reporter

References

https://documentation.commvault.com/securityadvisories/CV_2026_10_8.html

Problem Types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')