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CVE-2025-66391: n/a

0
High
VulnerabilityCVE-2025-66391cvecve-2025-66391
Published: Wed Jun 17 2026 (06/17/2026, 00:00:00 UTC)
Source: CVE Database V5

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.

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/17/2026, 14:45:40 UTC

Technical Analysis

This vulnerability allows an attacker with read-only access to Citrix Cloud to trigger the start of workflows that should require write permissions. Specifically, the system may send a one-time password to an email address controlled by the attacker when attempting to reset a user account password. This behavior could potentially be leveraged to interfere with account security processes. The vulnerability is documented without a CVSS score or known exploits in the wild, and no remediation level or patch information is available.

Potential Impact

An attacker with read-only access can initiate sensitive workflows such as password resets, causing the system to send one-time passwords to attacker-controlled email addresses. This could undermine account security by facilitating unauthorized password resets or other write operations indirectly. The exact scope and exploitability are not detailed, and no known exploits have been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround is currently documented. Organizations should monitor vendor communications for updates and consider restricting read-only account capabilities until a fix is available.

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Technical Details

Data Version
5.2
Assigner Short Name
mitre
Date Reserved
2025-11-28T00:00:00.000Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null

Threat ID: 6a32a8820b89be688863511c

Added to database: 6/17/2026, 2:00:34 PM

Last enriched: 6/17/2026, 2:45:40 PM

Last updated: 6/17/2026, 5:23:34 PM

Views: 3

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