CVE-2026-77090

CVFS Information Disclosure

State: Published
Severity: 8.7 High
Published: Oct 13, 2026
Updated: Oct 14, 2026
Reserved: Aug 20, 2026

Description

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

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	Commvault

Weaknesses

CWE-611 Improper Restriction of XML External Entity Reference

Affected Products

Product	Versions
Commvault CloudCommvault	11.46.0 through 11.46.29Affectedfrom 11.46.30Not affected 11.44.0 through 11.44.24Affectedfrom 11.44.25Not affected 11.40.0 through 11.40.77Affectedfrom 11.40.78Not affected 11.36.0 through 11.36.126Affectedfrom 11.36.127Not affected
Grid(HSX) CVFSCommvault	5.0.1.0 through 5.0.14.4Affectedfrom 5.0.14.5Not affected

References

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

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