CVE-2026-77090 - Vulnerability Details - OpenCVE

CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure. Software customers upgrade to resolved maintenance release. Update CVFS.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Commvault

Commvault Cloud

unknown

Version	Status	Constraints
`11.46.0`	affected	≤ 11.46.29
`11.44.0`	affected	≤ 11.44.24
`11.40.0`	affected	≤ 11.40.77
`11.36.0`	affected	≤ 11.36.126

Commvault

Grid(HSX) CVFS

unknown

Version	Status	Constraints
`5.0.1.0`	affected	≤ 5.0.14.4

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://documentation.commvault.com/securityadvisories/CV_2026_07_4.html

History

Tue, 13 Oct 2026 14:30:00 +0000

Type	Values Removed	Values Added
Description		CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure. Software customers upgrade to resolved maintenance release. Update CVFS.
Title		CVFS Information Disclosure
References		https://documentation.commvault.com/securityadvisories/CV_2026_07_4.html
Metrics		cvssV4_0 `{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Commvault

Published: 2026-10-13T14:26:59.619Z

Updated: 2026-10-13T14:26:59.619Z

Reserved: 2026-08-20T10:56:58.070Z

Link: CVE-2026-77090

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-10-13T15:17:48.887

Modified: 2026-10-13T15:17:48.887

Link: CVE-2026-77090

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

No weakness.

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