URL: <https://savannah.nongnu.org/support/?111359>
Summary: SSH warning about post-quantum security
Group: Savannah Administration
Submitter: arungiridhar
Submitted: Tue 09 Dec 2025 05:39:51 AM EST
Category: Download area - developer access
Priority: 5 - Normal
Severity: 3 - Normal
Status: None
Privacy: Public
Assigned to: None
Originator Email:
Operating System: GNU/Linux
Open/Closed: Open
Discussion Lock: Unlocked
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Follow-up Comments:
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Date: Tue 09 Dec 2025 05:39:51 AM EST By: Arun Giridhar <arungiridhar>
When interacting with repositories on Savannah via SSH, this warning has
started showing up with newer versions of OpenSSH:
remote: ** WARNING: connection is not using a post-quantum key exchange
algorithm.
remote: ** This session may be vulnerable to "store now, decrypt later"
attacks.
remote: ** The server may need to be upgraded. See
https://openssh.com/pq.html
I couldn't see this warning reported so I created this support request if
others are seeing the same thing now.
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