XKEYCHAINX LABS
Ledger / Public disclosure

Signing state could change during review

Displayed transaction and signed transaction could differ.

Source date: 2026-08-27Reviewed: 11 October 2026

Affected scope

Affected apps built with vulnerable SDK through 26.6.0

What the attack requires

Malicious host and an affected app.

Response & remediation

What changed

SDK 26.6.1 and rebuilt apps; Ethereum added a guard in 1.22.2.

What this finding establishes

Updating firmware alone does not establish remediation.