this post was submitted on 09 May 2026
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Let’s encrypt reported an incident yesterday. The issuing stopped working on their end. They were working the problem already.
Edit: pure speculation as the timing of the incident matches. Could also be a bodged update routine, or something else.
I don't think that was the problem. Auto renewal should have been a month ago.
/agree.
For those who don't know, the default certificate update bots working with let's encrpt checks everyday the server certificate and replace it when its expiration date is in less than a month.
This delay let enough time to fix any update issues (on your side or let's encrypt side) that could occur. These systems works quite well and for free!
So definitely not an responsibility of let's encrypt here.
In would be cautious with words like definitely. You don’t know if the client works automatically or people request certs manually and just slipped into the downtime.
Both issues (bad practice and bad timing) could have in a fringe accident coincided.
But my first message read to certain, too. Updated that with an edit.
definitely with a 99.9999999% score :)
If it was really an let's encrypt issue, lot of people would have complained. Servers all around the world would have returned errors. I would have a lot of issues but nothing happened, certificates were issued normally.
If they are issuing certificate with let's encrypt manually, it's their fault as let's encrypt ecosystem is made to be automatic in the first place.
SSL deployment were highly a painful process before let's encrypt but now, it's so easy. i love it.
There was a short let’s encrypt error just in that timeframe. Doesn’t mean that all cert updates fall in that window and “servers around the world”…
Also. I know my fair share on manual, semi-manual and thank lord automatic certification.
Oh. Your post was a rage bait? Well done.
https://cybersecuritynews.com/lets-encrypt-halts-certificate-issuance/ May 9, 2026
Oh my, that sounds bad. I wonder how many certs were up for renewal... thanks for sharing I didn't see this in the news.
Certbot renews the cert 2 weeks before expiry. I suspect either a broken cronjob or a missing webserver reload.