CVE-2026-77090
High
Description
CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure. Software customers upgrade to resolved maintenance release. Update CVFS.
SeverityHigh
CVSS8.7
Exploit probability—
ProductCommvault Cloud
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-611XML external entity (XXE)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Commvault Commvault Cloud | 11.46.0 ≤ v ≤ 11.46.29, 11.44.0 ≤ v ≤ 11.44.24, 11.40.0 ≤ v ≤ 11.40.77, 11.36.0 ≤ v ≤ 11.36.126 | — |
| Commvault Grid(HSX) CVFS | 5.0.1.0 ≤ v ≤ 5.0.14.4 | — |
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