CVE-2025-66391CWE-284broken-access-control

CVE-2025-66391

High · published June 17, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
31.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00383 · 31.2th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-06-17T18:17Z
References (3)
https://citrix.cloud.com/ · [email protected]https://github.com/mandeepsohal/CVE-2025-66391/blob/main/Exploit.md · [email protected]https://github.com/mandeepsohal/CVE-2025-66391/blob/main/Exploit.md · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 17 JUN 00:00Z
    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…
    cvelistv5