---
id: CVE-2025-11899
title: >-
  Agentflow developed by Flowring has an Use of Hard-coded Cryptographic Key
  vulnerability, allowing unauthenticated remote attackers to exploit the fixed
  key to generate verification information, thereby logging into the system as
  any use…
summary: >-
  Agentflow developed by Flowring has an Use of Hard-coded Cryptographic Key
  vulnerability, allowing unauthenticated remote attackers to exploit the fixed
  key to generate verification information, thereby logging into the system as
  any use…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-321
published: '2025-10-17'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T10:10:00.193'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-11899'
references:
  - url: 'https://www.twcert.org.tw/en/cp-139-10439-0bd15-2.html'
    label: twcert@cert.org.tw
  - url: 'https://www.twcert.org.tw/tw/cp-132-10438-1173e-1.html'
    label: twcert@cert.org.tw
tags:
  - nvd
epss: 0.00674
epssPercentile: 0.50648
ingestedAt: '2026-10-09T12:53:29.107Z'
---

## Overview

Agentflow developed by Flowring has an Use of Hard-coded Cryptographic Key vulnerability, allowing unauthenticated remote attackers to exploit the fixed key to generate verification information, thereby logging into the system as any user. Attacker must first obtain an user ID in order to exploit this vulnerability.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.