Vulnerability-Lookup

CVE-2026-65058 (GCVE-0-2026-65058)

Vulnerability from cvelistv5 – Published: 2026-07-21 20:13 – Updated: 2026-07-30 17:29

Title

Trezor Safe improper security check in on-device display

Summary

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.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

5.9 (Medium)


                        
                          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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · cisa-cg (v2.0.3)

Decision recorded 2026-06-30 18:42 UTC

CWE

CWE-358 - Improperly Implemented Security Check for Standard

Assigner

cisa-cg CISA root

References

3 references

URL	Tags
https://github.com/trezor/trezor-firmware/commit/…	patch
https://www.cve.org/CVERecord?id=CVE-2026-65058	vdb-entry
https://raw.githubusercontent.com/cisagov/CSAF/de…	third-party-advisory

Impacted products

3 products

Vendor	Product	Version	CPE status
Trezor	Safe 3	Affected: 0 , < 70c9b0c (custom) Unaffected: 70c9b0c	guessed
Trezor	Safe 7	Affected: 0 , < 70c9b0c (custom) Unaffected: 70c9b0c	guessed
Trezor	Safe 5	Affected: 0 , < 70c9b0c (custom) Unaffected: 70c9b0c	guessed

Date Public

2026-03-19 00:00

Credits

Oleh Konko, 1seal

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-65058

Vulnerability from fkie_nvd - Published: 2026-07-21 21:16 - Updated: 2026-07-30 19:18

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Summary

References

	URL	Tags
	9119a7d8-5eab-497f-8521-727c672e3725	https://github.com/trezor/trezor-firmware/commit/70c9b0c07748
	9119a7d8-5eab-497f-8521-727c672e3725	https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-202-02.json
	9119a7d8-5eab-497f-8521-727c672e3725	https://www.cve.org/CVERecord?id=CVE-2026-65058

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "defaultStatus": "unknown",
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    }
  ],
  "id": "CVE-2026-65058",
  "lastModified": "2026-07-30T19:18:35.550",
  "metrics": {
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        "cvssData": {
          "attackComplexity": "HIGH",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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          "userInteraction": "ACTIVE",
          "valueDensity": "NOT_DEFINED",
          "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "9119a7d8-5eab-497f-8521-727c672e3725",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "9119a7d8-5eab-497f-8521-727c672e3725",
        "ssvcData": {
          "id": "CVE-2026-65058",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-30T18:42:58.833211Z",
          "version": "2.0.3"
        }
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-65058",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-30T17:29:27.625122Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-21T21:16:54.567",
  "references": [
    {
      "source": "9119a7d8-5eab-497f-8521-727c672e3725",
      "url": "https://github.com/trezor/trezor-firmware/commit/70c9b0c07748"
    },
    {
      "source": "9119a7d8-5eab-497f-8521-727c672e3725",
      "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-202-02.json"
    },
    {
      "source": "9119a7d8-5eab-497f-8521-727c672e3725",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-65058"
    }
  ],
  "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-358"
        }
      ],
      "source": "9119a7d8-5eab-497f-8521-727c672e3725",
      "type": "Secondary"
    }
  ]
}

GHSA-6552-M3HR-MQWJ

Vulnerability from github – Published: 2026-07-21 21:32 – Updated: 2026-07-21 21:32

Details

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

5.9 (Medium)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-65058"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-358"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-21T21:16:54Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-6552-m3hr-mqwj",
  "modified": "2026-07-21T21:32:44Z",
  "published": "2026-07-21T21:32:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-65058"
    },
    {
      "type": "WEB",
      "url": "https://github.com/trezor/trezor-firmware/commit/70c9b0c07748"
    },
    {
      "type": "WEB",
      "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-202-02.json"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-65058"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-65058 (GCVE-0-2026-65058)

FKIE_CVE-2026-65058

GHSA-6552-M3HR-MQWJ

Tags

Sightings

Nomenclature

Related by attack behaviour