I can also confirm that we were served LE certificate with expired ISRG X2 cross signed intermediate causing old devices having issues to init connection to our servers. This cert was provisioned by CLOUDFLARE to us, and until then previous certificate had correct chain. Issue got resolved presuma…

It looks like Cloudflare is aware of an issue with their configuration of Let's Encrypt chains. [image] Issue with TLS certificates using Lets Encrypt CA Cloudflare's Status Page - Issue with TLS certificates using Lets Encrypt CA. That makes me think the "s…

@kubajx29 I moved your post to its own thread. Your problem is distinct from the other which will need different debugging steps. Sure, the symptom you describe is similar but the causes are likely different. Had you posted in the Help section initially you would have been shown a form asking for…

Hey guys, thanks for moving the post to different thread and much thanks @petercooperjr for linking the CF post, we most likely missed the announcement from CF. Since this was configuration issue at the CF I think we can close this one. Again, thanks everyone

Cloudflare provisioned expired X2 cross-sign

Help

petercooperjr June 2, 2026, 12:46pm 3

It looks like Cloudflare is aware of an issue with their configuration of Let's Encrypt chains.

That makes me think the "someone" you want to look at it already is.

Possible expired ISRG Root X2 cert included in chain starting ~May28th?

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Possible expired ISRG Root X2 cert included in chain starting ~May28th? Help	8	270	June 2, 2026
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Cloudflare provisioned expired X2 cross-sign

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