You can detect Linkerd via Bad Rule using this tool.
Ultra light, ultra simple, ultra powerful. Linkerd adds critical security, observability, and reliability to your Kubernetes stack, without any code changes.
An attacker might use the disclosed information to harvest specific security vulnerabilities for the version identified.
Only use components that do not have known vulnerabilities, only use components that when combined to not introduce a security vulnerability, and ensure that a misconfiguration does not cause any vulnerabilities.