CVE-2026-77103: high-severity vulnerability in Commvault Cloud
CommServe Information Disclosure
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.5%
CommServe contained an authentication bypass issue affecting access authorization and information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.
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
Affected products
Commvault · Commvault CloudRelated CVEs — Commvault Cloud
In the same product, most dangerous first.
CVE-2026-13738CRITICALImproper Authorization ValidationEPSS 0.7%CVE-2026-13737CRITICALCommand Restriction BypassEPSS 0.7%CVE-2026-77089CRITICALCommand Center API Authentication BypassEPSS 0.6%CVE-2026-77106HIGHCvlaunchd Code ExecutionEPSS 0.6%CVE-2026-77104HIGHCommServe Path TraversalEPSS 0.6%CVE-2026-13739HIGHServer-Side Request Forgery (SSRF)EPSS 0.5%