Path traversal in Commvault - CVE-2026-18228
Published: October 15, 2026
Vulnerability identifier: #VU155958
CSH Severity: Low
CVSS v4: 7.1 [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]
CVE-ID: CVE-2026-18228
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to path traversal in Commvault HyperScale when processing file paths. A remote user can supply specially crafted paths to access files outside the intended directory and disclose sensitive information.
Affected software
Commvault
How to mitigate CVE-2026-18228
Install security update from vendor's website.
Commvault - addressed in versions 11.36.127, 11.40.78, 11.44.25, 11.46.30