Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Cloudflare @cloudflare@noc.social

1/20/2026, 11:10:52 AM

Public

A vulnerability was recently identified in Cloudflare’s automation of certificate validation. Here we explain the vulnerability and outline the steps we’ve taken to mitigate it. https://blog.cloudflare.com/acme-path-vulnerability/

How we mitigated a vulnerability in Cloudflare’s ACME validation logic

A vulnerability was recently identified in Cloudflare’s automation of certificate validation. Here we explain the vulnerability and outline the steps we’ve taken to mitigate it.

blog.cloudflare.com · The Cloudflare Blog

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