Vulnerability · Published Aug 6, 2026 · Assigned by dell

CVE-2026-54489

Critical 9.1

In plain English

A critical-severity information exposure in Virtual Storage Integrator for VMware vSphere Client from Dell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical

Exploit odds (30 days)0.6%top 50.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Dell Virtual Storage Integrator for VMware vSphere Client, versions prior to 10.11.1.0, contain(s) a Sensitive Information Disclosure vulnerability. An unauthenticated remote attacker could potentially exploit this vulnerability, leading to information disclosure and session hijacking. This vulnerability is considered critical as it allows an unauthenticated attacker to obtain active session credentials and fully impersonate authenticated users, including administrators. Dell recommends customers to upgrade at the earliest opportunity.

Affected products (as reported)

Vendor	Product	Versions
Dell	Virtual Storage Integrator for VMware vSphere Client	0 – before 10.11.1.0 or later

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

https://www.dell.com/support/kbdoc/en-us/000496035/dsa-2026-335-security-update-for-dell-virtual-storage-integrator-for-vmware-vsphere-client-multiple-vulnerabilities vendor-advisory