Squidbleed is a Heartbleed-style vulnerability that leaks internal memory from every version of Squid Proxy, in its default configuration. It was found by Claude Mythos Preview, and has now been fixed. --- Important links: https://blog.calif.io/p/squidbleed-cve-2026-47729 https://github.com/squid-cache/squid/security/advisories/GHSA-8c37-pxjq-qwrg X: https://twitter.com/garyexplains GitHub: https://github.com/garyexplains #garyexplains