---
title: "CVE-2026-18228: HyperScale - Path Traversal"
description: "HyperScale contains a path traversal caused by improper input validation, letting attackers disclose sensitive information, exploit requires no special privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-18228/
---

# CVE-2026-18228 HyperScale - Path Traversal

HyperScale contains a path traversal caused by improper input validation, letting attackers disclose sensitive information, exploit requires no special privileges.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.38% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-18228)

## Details

Type

Path Traversal

Impact

Information Disclosure, File System Read

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update Commvault HyperScale MediaAgents to the latest maintenance release.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-18228](https://nvd.nist.gov/vuln/detail/CVE-2026-18228)
- [https://documentation.commvault.com/securityadvisories/CV\_2026\_10\_8.html](https://documentation.commvault.com/securityadvisories/CV_2026_10_8.html)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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