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  1. Embed this notice
    Kevin Beaumont (gossithedog@cyberplace.social)'s status on Wednesday, 15-Jul-2026 01:41:14 JST Kevin Beaumont Kevin Beaumont

    Pretty funny Cursor issue - if you put a file named git.exe in a repo and open it in Cursor, it blindly runs said git.exe file https://mindgard.ai/blog/cursor-0day-when-full-disclosure-becomes-the-only-protection-left

    In conversation about 3 months ago from cyberplace.social permalink

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    1. Domain not in remote thumbnail source whitelist: cdn.prod.website-files.com
      Cursor 0day: When Full Disclosure Becomes the Only Protection Left - Mindgard
      The vulnerability nobody seems interested in fixing
    • Embed this notice
      Will Dormann (wdormann@infosec.exchange)'s status on Thursday, 16-Jul-2026 23:52:47 JST Will Dormann Will Dormann
      in reply to

      @GossiTheDog
      OK, I guess my mistake was not WAITING THIRTY MINUTES. 🤦♂️
      https://infosec.exchange/@wdormann/116930022612132890

      In conversation about 3 months ago permalink

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      1. Domain not in remote thumbnail source whitelist: media.infosec.exchange
        Will Dormann (@wdormann@infosec.exchange)
        from Will Dormann
        Attached: 2 images @nyanbinary @mttaggart @ajn142 @Sempf @ifin OK, I guess I was just too impatient. I was able to reproduce it by leaving Cursor open for **THIRTY MINUTES**. At that point it launched the `git.exe` in the repo root. In my screenshots, I opened the repo at `6:17:13`. Only at `6:47:14` did it look for a `git.exe` in the repo root to launch.
    • Embed this notice
      Will Dormann (wdormann@infosec.exchange)'s status on Thursday, 16-Jul-2026 23:52:48 JST Will Dormann Will Dormann
      in reply to

      @GossiTheDog
      I see it check for git.exe, but I see no evidence of it attempting to run it. 🤷♂️

      In conversation about 3 months ago permalink

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      1. https://media.infosec.exchange/infosec.exchange/media_attachments/files/116/919/749/834/240/097/original/b5d38eb39b0e3d46.png
    • Embed this notice
      Will Dormann (wdormann@infosec.exchange)'s status on Thursday, 16-Jul-2026 23:52:48 JST Will Dormann Will Dormann
      in reply to

      @GossiTheDog
      I mean, if I tell Cursor to run git, then it'll run the one in the repo. Which I guess is bad.

      But that's significantly more user interaction required than the A developer opens a repository in Cursor on Windows requirement that Mindgard says. 🤷♂️

      Somewhat interesting that Cursor recognized the presence of a fake Windows Calculator git.exe, but only after executing it. 😂

      In conversation about 3 months ago permalink

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      1. https://media.infosec.exchange/infosec.exchange/media_attachments/files/116/919/799/931/893/714/original/b1663abec13b6542.png

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