What’s Vulnerable › Vulnerabilities

CVE-2026-101152: Security Advisory 0187

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% 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-601

Description

Insufficient validation in the Single Sign-On (SSO) login flow could allow a remote, unauthenticated attacker to craft a URL that, when clicked by a user, causes the identity provider (IdP) to deliver authentication material to an attacker-controlled URL instead of to CloudVision.

Affected products

• Arista Networks CloudVision Portal: from 2026.1.0 through 2026.1.2; from 2025.3.0 through 2025.3.3; from 2021.1.0 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

• https://www.arista.com/en/support/advisories-notices/security-advisory/24803-security-advisory-0187

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