CVE-2025-66391General

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-01: 1Technical Details · 2026-09-01: 109-01
Signal classification1 categories
General
1100.0%
Full discourse1 post
  • BSidesSydney@BsidesSyd_Org
    General

    “This talk presents my research into CVE-2025-66391, a high-severity authorisation vulnerability affecting Citrix Cloud. I’ll demonstrate how a read-only user could trigger privileged write operations and discuss the security impact of the flaw.” https://t.co/DHJkOV9tLx

    Post summary

    The tweet announces a presentation on CVE‑2025‑66391, highlighting how a read‑only user can perform privileged writes, but it does not provide PoC code, exploit tools, or patch information.

    1000086
    783 followersView on X

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