CVE-2025-66391

High

Description

In Citrix Cloud through 2025-11-10, an account with read-only access can trigger the beginning of a workflow for write operations, e.g., the system will send a one-time password to an attacker-controlled email address when the attacker attempts to reset the password of a user account.

SeverityHigh
CVSS8.8
Exploit probability—
ProductCitrix Cloud
PublishedJun 17, 2026
First seenJun 17, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Citrix Citrix Cloudv ≤ 2025-11-10—

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CVE-2025-66391 · Citrix Cloud · Dark Radar