mcpbeat

Jackson Inject Security

cxcscmu/skilllearnbench-jackson-inject-security

Fixing Jackson @JacksonInject bypass vulnerabilities where attackers use empty JSON keys to override injected values. Use this skill whenever reviewing or patching Java code that uses @JacksonInject for security-sensitive configuration injection, especially in Apache projects.

405 tokens
context cost
the whole folder, loaded on every use
1
files
instructions only
0
copies elsewhere
how many repositories repackaged it
77
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository 
npx skills add https://github.com/cxcscmu/SkillLearnBench --skill jackson-inject-security

How to use it

Copy the folder

Take cxcscmu/skilllearnbench-jackson-inject-security from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.