What’s Vulnerable › Vulnerabilities
CVE-2026-101158: Security Advisory 0185
- Severity: high (CVSS 8.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-06 · updated 2026-10-07
- Weakness: CWE-79
Description
A missing input validation vulnerability in the Fileserver upload API allows an authenticated attacker with file upload privileges to execute stored cross-site scripting (XSS). Successful exploitation could enable the attacker to hijack another CloudVision user's web session, potentially granting full access to their account and administrative permissions.
Affected products
- Arista Networks CloudVision Portal: from 2026.1.0 through 2026.1.2; from 2025.3.0 through 2025.3.3; from 1.0.0 before 2025.3.0; 2026.2.0 — fixed in 2025.3.0
How to fix
Upgrade to a fixed version: Arista Networks CloudVision Portal 2025.3.0. Check the vendor advisory for mitigations.
References
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