High [CVE-2026-77103] CommServe Information Disclosure
This high-severity Commvault advisory covers CVE-2026-77103 affecting Commvault Cloud.
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Summary
CommServe contained an authentication bypass issue affecting access authorization and information disclosure. Software customers upgrade to resolved maintenance release.
Update CommServe.CVSS score: 8.7 Commvault Software To view version support lifecyle, see Commvault software releases, release types, and release tracks. Supported versions not listed are unaffected.
Unsupported versions must be upgraded.
Product Platforms Affected Versions Resolved Version Status Commvault Linux, Windows 11.46.0 - 11.46.19 11.46.20 and higher Resolved Commvault Linux, Windows 11.44.0 - 11.44.19 11.44.20 and higher Resolved Commvault Linux, Windows 11.40.0 - 11.40.71 11.40.72 and higher Resolved Commvault Linux, Windows 11.36.0 - 11.36.122 11.36.123 and higher Resolved
Affected product named by the advisory: Commvault Cloud.
- Affected Versions
- 11.46.0 - 11.46.19
- 11.44.0 - 11.44.19
- 11.40.0 - 11.40.71
- 11.36.0 - 11.36.122
Official advisory · high-confidence parse· fetched 58 minutes ago·verify at source
- 11.46.20
- 11.44.20
- 11.40.72
- 11.36.123
Official advisory · high-confidence parse· fetched 58 minutes ago·verify at source
Mitigation checklist
- Install the listed maintenance release (or a more recent one) for your feature release: 11.46.20, 11.44.20, 11.40.72, 11.36.123.
Official advisory · high-confidence parse· fetched 58 minutes ago·verify at source
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