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JWT Security Pitfalls Everyone Falls Into

The 'alg: none' attack, algorithm confusion, storing JWTs in localStorage — the implementation mistakes that turn a secure spec into a live vulnerability.

7 min read Apr 20, 2026
1 posts page 1 of 1 7+ min reading
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~/security/jwt-security-pitfalls.md
$ cat jwt-security-pitfalls.md
#
JWT Security Pitfalls Everyone Falls Into
security 7 min read

The 'alg: none' attack, algorithm confusion, storing JWTs in localStorage — the implementation mistakes that turn a…

Apr 20, 2026
Security
1 post · 7+ min reading
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