Abliterated gguf of glm5.3 size and capability class models and similar are widely available for download, or the methods to produce them yourself from open weights safetensors files is also available.
I've heard many good things about latest GLM models but my understanding is they're not at frontier level?
Discovering and exploiting some of the latest CVEs doesn't absolutely require the services of the most expensive Anthropic or OpenAI models.