CVE-2026-13738

Improper Authorization Validation

Published Aug 11, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Commvault
Commvault commvault
Vendors & Products Commvault
Commvault commvault
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-863
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
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.
Title Improper Authorization Validation
References
Metrics cvssV4_0

{'score': 9.2, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Commvault
Published
Updated
Aug 11, 2026, 4:48 PM
Reserved
Jun 29, 2026, 2:54 PM
Status
Analyzed
Published
Aug 11, 2026, 12:17 PM
Modified
Oct 23, 2026, 7:10 PM