# CVE-2026-8470

## Summary

- **CVE ID:** CVE-2026-8470
- **Severity:** HIGH
- **CVSS Score:** 7.4 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H)
- **CWE:** CWE-327
- **Published:** Aug 5, 2026
- **Last Modified:** Aug 5, 2026

## Description

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 use Python's non-cryptographic random module for generating Fernet encryption keys from user secrets under 32 characters. The deterministic Mersenne Twister PRNG produces identical keys for identical seeds, allowing attackers to reproduce encryption keys and decrypt stored API keys and authentication tokens.

## Affected Products

- IBM — Langflow OSS (1.0.0)

## References

- [CNA](https://www.ibm.com/support/pages/node/7282648)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.11%
- **EPSS Percentile:** 1.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-12._