| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 63 | Founded | 4 years ago | Last Issue | 7 days ago |
| Active | |||||
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blog.calif.ioLatest Issues
OEMpocalypse Now
Our own Lukas Maar spent a few weeks pursuing one question: How do you turn a normal Android app into root access across as many phones as possible without rewriting the exploit for every model?
Generic Linux kernel bugs offer broad covera...
No Country for Old Passwords
On Thursday August 6, Apple shipped an emergency macOS update. It fixed exactly one vulnerability, CVE-2026-65400, in a feature called Screen Sharing.
Apple does not ship an update out of band unless something is critical. That piqued our...
The Taking of FreeBSD One Two Three
In An AI audit of FreeBSD we mentioned in passing that we had "reported 3 RCEs in a rarely used module." The module is CTL, FreeBSD's CAM Target Layer, the kernel subsystem that turns a FreeBSD box into a SCSI storage target for iSCSI and f...
The WordPress Chain Massacre
Today we walk through wp2root, our post-exploitation chain that begins where wp2shell ends. Our chain is nothing fancy. Its value is in showing what real-world PHP hacking actually looks like, and how far AI has come. Cooking up a chain lik...
Apple MIE exploitation challenge
Two months ago, we demonstrated the first public bypass of Apple MIE on macOS 26.4.1. We withheld the technical details until Apple shipped fixes, which are now available in macOS 26.6. We'd like to thank Apple for their collaboration throu...
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Authors
The writers behind this newsletter.
That Apple internals guy
Security researcher at Calif
Monkey see, monkey think, monkey do
low-level enthusiast
Bruh.
Bored enough to tinker, bold enough to break.
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