Vulnerabilities CVE-2026-13738

CVE-2026-13738

Critical

Open

TLP:CLEAR

Improper Authorization Validation

NVD CVE.org

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Description

CommServe contained an authorization bypass vulnerability affecting a limited set of command execution operations. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including Commserve, Webserver, Command Center, Media Agents, Clients and HyperScale X.

Details

CVSS Score: 9.2
EPSS Score ⓘ: 0.53%

41.9th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 11, 2026
Last Modified: Aug 11, 2026

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