home/categories/security/mukul975-anthropic-cybersecurity-skills-skills-testing-for-json-web-token-vulnerabilities-skill-md
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testing-for-json-web-token-vulnerabilities

Test JWT implementations for critical vulnerabilities including algorithm confusion, none algorithm bypass, kid parameter injection, and weak secret exploitation to achieve authentication bypass and privilege escalation.

mukul975
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mukul975
Updated 4/6/2026
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quick start

Installation and usage

Test JWT implementations for critical vulnerabilities including algorithm confusion, none algorithm bypass, kid parameter injection, and weak secret exploitation to achieve authentication bypass and privilege escalation.

Installation
$ install --globalskills.sh
Usage

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

skills use testing-for-json-web-token-vulnerabilities