CLEANSTART-2026-QE04836 vulnerability in Spring Expression Language (SpEL) evaluation logic allows for arbitrary zero-argument method invocation, even within restricted or read-only contexts, which may allow an attacker t...

Security vulnerability affects the apache-nifi package. A vulnerability in Spring Expression Language SpEL evaluation logic allows for arbitrary zero-argument method invocation, even within restricted or read-only contexts, which may allow an attacker to invoke unintended application logic...