Is it just me or is this happening way more frequently in the last 4 or 5 months? Coincidently around the same time the models got a lot more capable?
It's more likely that it isn't coincidental at all: software development-oriented LLMs became a lot better towards the end of 2025, and so there's a non-zero chance that people are using them to find new security exploits.
(People are not sleeping on this and it is not something people have failed to notice. I don't use LLMs at all and even I have noticed it - largely because there is approximately nobody that isn't talking about it.)
I heard an engineer at Anthropic was submitting 150 PRs per day. That's one PR every 5 to 10 minutes, so you can guess the level of review and quality control involved.
You know how Windows used to get a majority of the malware due to market share?
Now the market share is all the AI agent users.
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I think it's more about the popularity than the capability. The chances you might accidentally put a Github access token into an undesired security context goes up dramatically when you actually create and use one on a regular basis. The developers at GH are certainly using these tools just like the rest of us.
I think AI has helped to a degree. I think a lot of people have known about massive gaps in security, but it's been a sort of "why would I?" and a gap that didn't feel worth hopping for attackers.
The gap is smaller now.
I've been talking about package worms for... fuck, a decade. Insane. I've even thought about publishing one to prove a point but, well, it's illegal obviously. And ethically questionable.
Someone just vibecoded up what we've all known was possible for a long, long time. Just like a lot of other vibe coded projects.
I remember talking to a malware author a long time ago and I think this would have been exactly what he would have loved. He liked building custom C2 protocols, tiny malware, etc, but when we discussed a particular idea for owning massive amounts of infrastructure his response was basically "that's a lot of effort to get a krebs article and FBI attention". Now it's not so much effort!