{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-65058", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "state": "PUBLISHED", "assignerShortName": "cisa-cg", "dateReserved": "2026-07-21T14:35:48.323Z", "datePublished": "2026-07-21T20:13:00.560Z", "dateUpdated": "2026-07-21T20:13:00.560Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "Trezor Safe 3, Safe 5, and Safe 7 firmware contains a confirmation-binding flaw in the Ethereum sign_tx / sign_tx_eip1559 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 to a victim then supply a different tail that changes the signed transaction. Fixed in 70c9b0c."}], "affected": [{"vendor": "Trezor", "product": "Safe 3", "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThan": "70c9b0c", "versionType": "custom"}, {"version": "70c9b0c", "status": "unaffected"}]}, {"vendor": "Trezor", "product": "Safe 7", "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThan": "70c9b0c", "versionType": "custom"}, {"version": "70c9b0c", "status": "unaffected"}]}, {"vendor": "Trezor", "product": "Safe 5", "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThan": "70c9b0c", "versionType": "custom"}, {"version": "70c9b0c", "status": "unaffected"}]}], "problemTypes": [{"descriptions": [{"description": "CWE-358 Improperly Implemented Security Check for Standard", "lang": "en", "type": "CWE", "cweId": "CWE-358"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"cvssV4_0": {"version": "4.0", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "userInteraction": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-30T18:42:58.833211Z", "id": "CVE-2026-65058", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "Trezor Safe improper security check in on-device display", "references": [{"name": "url", "url": "https://github.com/trezor/trezor-firmware/commit/70c9b0c07748", "tags": ["patch"]}, {"name": "url", "url": "https://www.cve.org/CVERecord?id=CVE-2026-65058", "tags": ["vdb-entry"]}, {"name": "url", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-202-02.json", "tags": ["third-party-advisory"]}], "credits": [{"value": "Oleh Konko, 1seal", "lang": "en"}], "datePublic": "2026-03-19T00:00:00.000Z", "providerMetadata": {"orgId": "9119a7d8-5eab-497f-8521-727c672e3725", "shortName": "cisa-cg", "dateUpdated": "2026-07-21T20:13:00.560Z"}}}}

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