High severityRubyHardcoded SecretsHIGH confidence
Hardcoded Crypto Key
A cryptographic key or IV is a hard-coded string literal (CWE-321).
Standards mapping
- OWASP Top 10
- A02:2021 - Cryptographic Failures
- OWASP ASVS
- V6.4.1 (L2)
Vulnerable vs. safe
Flagged by this check
cipher.key = "0123456789abcdef0123456789abcdef"Passes - the safe pattern
cipher.key = SecureRandom.random_bytes(32)Why it matters & how to fix it
A cryptographic key or IV is a hard-coded string literal (CWE-321). Keys must be generated with a CSPRNG and loaded from a secret store or ENV; never embed key material in source, and use a fresh random IV per message.
References
Rule ID integsec-ruby-hardcoded-crypto-key - engine: Opengrep - license: MIT - Copyright (c) IntegSec Inc.
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