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Company

Calif

Security research firm (calif.io) that publishes vulnerability and exploit research on mobile platforms, Android vendor code and messaging apps.

Known aliases

  • calif_io

Current stories

securityConfirmed9 publishers

Apple patches CoreGraphics bug that may have been used in targeted iPhone attacks

Apple patched CoreGraphics flaw CVE-2026-86950 in iOS 26.7.1 after a report that it may have been exploited against targeted iPhone users. iPhone fleets still on iOS 26 have the strongest case for forcing that update before the next scheduled patch window.

Perspective Coverage

9 publishers
Builder
Builder 31%
Operator
Operator 65%
Investor
Investor 4%

Reality

Evidence78
Adoption
Not scored
Hype gap+15
Incentives25
Confidence74
productConfirmed5 publishers

Apple's quiet Screen Sharing fix is now a same-day job: CVE-2026-65400 is under active abuse

Dutch officials report root access and Monero miners on Macs with port 5900 open to the internet. Sonoma, Sequoia and Tahoe all need the update Apple shipped as an important security fix.

Perspective Coverage

5 publishers
Builder
Builder 22%
Operator
Operator 70%
Investor
Investor 8%

Reality

Evidence70
Adoption
Not scored
Hype gap+10
Incentives
Not scored
Confidence68
securityConfirmed6 publishers

macOS Screen Sharing bug exploited in the wild: if port 5900 was open, assume root was taken

The Dutch NCSC says CVE-2026-65400 was abused within two weeks of Apple's fix, with root access and Monero miners in every reported case. Patching closes the door; it does not evict anyone.

Perspective Coverage

6 publishers
Builder
Builder 22%
Operator
Operator 72%
Investor
Investor 6%

Reality

Evidence60
Adoption
Not scored
Hype gap+20
Incentives40
Confidence62
securityConfirmed4 publishers

Attackers talked a METR researcher's agent out of its inference API key

METR's inference key sat on a researcher's personal EC2 instance, and the agent handed it over when asked. The three-week burn would have cost about $600,000 if the model provider had not donated the credits.

Perspective Coverage

4 publishers
Builder
Builder 33%
Operator
Operator 56%
Investor
Investor 11%

Reality

Evidence70
Adoption
Not scored
Hype gap+20
Incentives50
Confidence68
securityConfirmed5 publishers

Researchers built a WeChat worm that hijacks accounts while the phone is still ringing

Calif's WeWorm abused a memory corruption bug in WeChat's VoIP stack to take over accounts on an iPhone 17e and two Pixel 10a handsets, and Tencent blocked it server-side on 28 August without publishing an advisory or a CVE.

Perspective Coverage

6 publishers
Builder
Builder 32%
Operator
Operator 51%
Investor
Investor 17%

Reality

Evidence55
Adoption
Not scored
Hype gap+35
Incentives60
Confidence60