Google · Apple · Meta · Android · da.vidbuchanan.co.uk
C2PA Cameras Do Not Survive Contact with Reality
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By David Buchanan (aka retr0id), 25 th August 2026.
Key facts
- Aside: Meta already patched the CVE-2026-43499 LPE on Quest headsets, near the start of the month, to stop people from cheating in VR video games
- Edit, 2026-08-25T19:12:16Z: Google appears to have removed the "Captured with a camera" section from the video description, presumably manually
- At time of writing, one-click root exploits exist in-the-wild for fully-patched Google Pixel devices (via CVE-2026-43499 )
- The Pixel Camera app achieved Assurance Level 2, the highest security rating currently defined by the C2PA Conformance Program
Summary
You might have heard that C2PA is a technology that will miraculously save them from rampant AI forgeries, by having cameras cryptographically sign the images they capture. C2PA camera apps on the Android platform rely on Key Attestation and/or Google Play Integrity, to prevent users from tampering with the app to sign arbitrary files (as opposed to data from the device's image sensor). Root privilege escalation exploits break Android's Key Attestation security model, and Play Integrity likewise. Hardware vulnerabilities in existing devices cannot be patched (there's nuance here, discussed later).