ReDoS in Python and FastAPI: how one regex takes down an event loop
CVE-2024-3772 let a single crafted email string trigger catastrophic backtracking in Pydantic's own validator — the exact code path every FastAPI request body runs through.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
CVE-2024-3772 let a single crafted email string trigger catastrophic backtracking in Pydantic's own validator — the exact code path every FastAPI request body runs through.
OWASP's 2023 API Security Top 10 still ranks broken object-level authorization as the #1 risk — here's a concrete checklist for authn, rate limiting, and input validation.
A 2024 ruby-saml flaw (CVE-2024-45409, CVSS 9.8) let attackers forge SAML assertions and log in as any user, including admins — seven years after the same bug class was first disclosed.
OWASP's Benchmark suite has run 2,740 fixed Java test cases since 2016, yet most SAST comparisons still amount to a vendor's self-reported false-positive number.
Flask ships session cookies with HttpOnly on by default — but Secure, SameSite, CSRF tokens, and every security header are left entirely to you.
Broken Access Control has topped OWASP's Top 10 for two straight cycles, found in 100% of tested apps in 2025 — most of that risk starts with one missing tenant_id check.
Go's bcrypt package caps input at 72 bytes and returns ErrPasswordTooLong instead of silently truncating — one of several Go-specific quirks that trip up password hashing code.
Java's URLEncoder turns spaces into + instead of %20 — a form-encoding quirk that, mixed with double-decoding, still causes path-traversal bugs like CVE-2025-41242 in 2025.
OWASP requires session IDs carry at least 64 bits of entropy, yet a 2007 Rails flaw shows one dropped attribute is enough to make fixation trivial.
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