CVE-2026-65058

The CVE-2026-65058 affects Trezor Safe firmware 3, 5, and 7, where a confirmation-binding flaw in the Ethereum sign_tx / sign_tx_eip1559 flow allows an attacker to present calldata and later supply a different tail, changing the signed transaction while only the initial calldata chunk is confirme...

CVE-2026-65058 Trezor Safe improper security check in on-device display

Trezor Safe 3, Safe 5, and Safe 7 firmware contains a confirmation-binding flaw in the Ethereum signtx / signtxeip1559 flow. For contract interactions, the device confirms only the initial calldata chunk while the signature commits to the full streamed calldata. An attacker could present calldata...

CVE-2026-65058 Trezor Safe improper security check in on-device display

Trezor Safe 3, Safe 5, and Safe 7 firmware contains a confirmation-binding flaw in the Ethereum signtx / signtxeip1559 flow. For contract interactions, the device confirms only the initial calldata chunk while the signature commits to the full streamed calldata. An attacker could present calldata...