CVE-2026-77093

CvFWD Denial of Service

State: Published
Severity: 7.1 High
Published: Oct 13, 2026
Updated: Oct 14, 2026
Reserved: Aug 20, 2026

Description

CvFWD contained an integer overflow affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe, Webserver, Command Center, MediaAgents, Clients and HyperScale

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	Commvault

Weaknesses

CWE-190 Integer Overflow or Wraparound

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

References

https://documentation.commvault.com/securityadvisories/CV_2026_10_2.html

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