Before its launch, we audited WhatsApp's Private Processing TEEs and found 8 high-severity issues (patched). The enclaves yielded to injected config files, unmeasured ACPI tables, spoofed firmware levels, and stale attestation reports.
TEE security is only as good as the implementation details. Four lessons and the full report: https://blog.trailofbits.com/2026/04/07/what-we-learned-about-tee-security-from-auditing-whatsapps-private-inference/
Trail of Bits
npub1rc…z7sw8
2026-04-07 11:02:01 UTC
Author Public Key
npub1rcsevfzqfj6xzk0rajfaftsnq4f4wewydfyxd9u46jch4sxta60qjz7sw8Seen on
wss://relay.momostr.pinkPublished at
2026-04-07 11:02:01 UTCEvent JSON
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"content": "Before its launch, we audited WhatsApp's Private Processing TEEs and found 8 high-severity issues (patched). The enclaves yielded to injected config files, unmeasured ACPI tables, spoofed firmware levels, and stale attestation reports.\n\nTEE security is only as good as the implementation details. Four lessons and the full report: https://blog.trailofbits.com/2026/04/07/what-we-learned-about-tee-security-from-auditing-whatsapps-private-inference/",
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