Claude Opus wrote a Chrome exploit for $2,283
Mohansrk
18 points
11 comments
April 18, 2026
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Discussion Highlights (4 comments)
pingou
I know most people here hate that, but I think this makes a much stronger case for security by obscurity (not releasing the source code) in these changing times. Of course security by obscurity by itself is by no mean sufficient.
localhoster
> "A week of back and forth, 2.3 billion tokens, $2,283 in API costs, and about ~20 hours of me unsticking it from dead ends. It popped calc." Corrent me if I'm wrong, I'm not a security researcher, but 20 hours, a week of work, 2283$ spent and over 2 trillion tokens, is not very 10x-ing as we were promised. Especially if you take into account that the guy is at least half capable for this take. I dunno
ofjcihen
This has been what I’ve been screaming from the rooftops for a while, that these models can already do this. Go read the devs actual blog though. This is more a statement on patch lag than anything else. In my mind that’s much more important than “zomg zero days!!!”
jdndnejdn
A security researcher instructed an LLM to write an exploit for a know bug fixed in an already published release Not really impressive