CVE-2026-8470
published 2026-08-05CVE-2026-8470: 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…
PriorityP353critical9.1CVSS 3.1
AVNACLPRNUINSUCNIHAH
EPSS
0.11%
1.4th percentile
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
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | langflow_oss | 1.0.0 – 1.10.3 | — |
| langflow | langflow | >= 1.0.0 < 1.11.0 | 1.11.0 |
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GHSA
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
ghsa_unreviewed·2026-08-05
CVE-2026-8470 [HIGH] CWE-327 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
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.
VulDB
IBM Langflow OSS up to 1.10.3 entropy
vuldb·2026-08-05·CVSS 7.4
CVE-2026-8470 [HIGH] IBM Langflow OSS up to 1.10.3 entropy
A vulnerability marked as problematic has been reported in IBM Langflow OSS up to 1.10.3. This affects an unknown part. Performing a manipulation results in insufficient entropy in prng.
This vulnerability is known as CVE-2026-8470. Remote exploitation of the attack is possible. No exploit is available.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-05
Published