home/categories/security/mukul975-anthropic-cybersecurity-skills-skills-performing-jwt-none-algorithm-attack-skill-md
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performing-jwt-none-algorithm-attack

Execute and test the JWT none algorithm attack to bypass signature verification by manipulating the alg header field in JSON Web Tokens.

mukul975
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mukul975
Updated 4/6/2026
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quick start

Installation and usage

Execute and test the JWT none algorithm attack to bypass signature verification by manipulating the alg header field in JSON Web Tokens.

Installation
$ install --globalskills.sh
Usage

Once installed, you can use this skill by running the following command in your terminal:

skills use performing-jwt-none-algorithm-attack