CVE-2026-77103

CommServe Information Disclosure

Published Sep 8, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
CommServe contained an authentication bypass issue affecting access authorization and information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
Microsoft
Microsoft windows
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
First Time appeared Commvault
Commvault commvault
Vendors & Products Commvault
Commvault commvault
Type Values Removed Values Added
Weaknesses CWE-284
CWE-287
Type Values Removed Values Added
Weaknesses CWE-288
Metrics ssvc

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

Type Values Removed Values Added
Weaknesses CWE-284
CWE-287
Type Values Removed Values Added
Description CommServe contained an authentication bypass issue affecting access authorization and information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.
Title CommServe Information Disclosure
References
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Commvault
Published
Updated
Sep 8, 2026, 1:25 PM
Reserved
Aug 20, 2026, 10:57 AM
Status
Analyzed
Published
Sep 8, 2026, 1:17 PM
Modified
Sep 9, 2026, 3:56 PM