Tyrrrz/YoutubeExplode

Failed to extract cipher manifest

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#902 aberto em 11 de ago. de 2025

 (14 comentários) (0 reação) (0 responsável)C# (587 forks)github user discovery
bugbug/caused by youtubehelp wanted

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Description

Version

6.5.4

Platform

.NET 8 / Windows 11

Steps to reproduce

var client = new YoutubeClient();
VideoId id = new("https://www.youtube.com/watch?v=UFdO3wodIJk");
try { await client.Videos.GetAsync(id); }
catch (Exception ex) { Console.WriteLine(ex); } // VideoUnavailableException
try { var cc = await client.Videos.ClosedCaptions.GetManifestAsync(id); }
catch (Exception ex) { Console.WriteLine(ex); } // VideoUnavailableException
try { var streams = await client.Videos.Streams.GetManifestAsync(id); }
catch (Exception ex) { Console.WriteLine(ex); } // YouTubeExplodeException "Failed to extract the cipher manifest."

Details

Thanks for building and maintaining this great library!

While the library works great for most videos I try it with, this particular one fails reliably for me even though on the front-end I don't see anything special about it.

Checklist

  • I have looked through existing issues to make sure that this bug has not been reported before
  • I have provided a descriptive title for this issue
  • I have made sure that this bug is reproducible on the latest version of the package
  • I have provided all the information needed to reproduce this bug as efficiently as possible
  • I have sponsored this project
  • I have not read any of the above and just checked all the boxes to submit the issue

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