CVE-2025-66391

Unauthorized Write Operations Triggered by Read-Only Accounts in Citrix Cloud

Published Jun 17, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Citrix
Citrix citrix Cloud
Vendors & Products Citrix
Citrix citrix Cloud
Type Values Removed Values Added
Title Unauthorized Write Operations Triggered by Read-Only Accounts in Citrix Cloud
Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jun 17, 2026, 6:25 PM
Reserved
Nov 28, 2025, 12:00 AM
Status
Awaiting Analysis
Published
Jun 17, 2026, 2:17 PM
Modified
Oct 12, 2026, 10:10 PM