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Vulnerability record · CVE-2025-66391 · published 17 June 2026

CVE-2025-66391: Improper access control vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.38% · top 70.3% CWE-284 · Improper access control Awaiting Analysis
8.8CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://citrix.cloud.com/
https://github.com/mandeepsohal/CVE-2025-66391/blob/main/Exploit.md
https://github.com/mandeepsohal/CVE-2025-66391/blob/main/Exploit.md

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Source: NIST National Vulnerability Database (record CVE-2025-66391), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.