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Post Quantum SSH Key Exchange Algorithms

Bryce Larson
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October 7, 2025

When doing git clones, pulls, pushes, etc. I'm getting this warning:

```

** WARNING: connection is not using a post-quantum key exchange algorithm.
** This session may be vulnerable to "store now, decrypt later" attacks.
** The server may need to be upgraded. See https://openssh.com/pq.html
```

This leads me to believe that bitbucket servers don't support post quantum key exchange algorithms for ssh access to git.  Can we get that added soon?

1 answer

0 votes
Jim Knepley - ReleaseTEAM
Atlassian Partner
October 7, 2025

Hi @Bryce Larson 

I don't have any special insight into the Bitbucket roadmap; it might already be in progress.

It doesn't look like anyone has opened a feature request ticket, if only to be able to watch it age over the years. I would certainly upvote such a feature.

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