{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46403",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-05-13T21:04:10.932Z",
        "datePublished": "2026-07-21T19:51:18.745Z",
        "dateUpdated": "2026-07-22T14:28:22.326Z"
    },
    "containers": {
        "cna": {
            "title": "Klever-Go KVM read-only execution can commit contract delete and upgrade side effects",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-693",
                            "lang": "en",
                            "description": "CWE-693: Protection Mechanism Failure",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.3,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/klever-io/klever-go/security/advisories/GHSA-jc6w-wmfc-fh33",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/klever-io/klever-go/security/advisories/GHSA-jc6w-wmfc-fh33"
                },
                {
                    "name": "https://github.com/klever-io/klever-go/commit/333f6ec910906e227705fc5767dc897d8fbfc862",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/klever-io/klever-go/commit/333f6ec910906e227705fc5767dc897d8fbfc862"
                },
                {
                    "name": "https://github.com/klever-io/klever-go/commit/68b94a40824fac2d848a4ded6eb7c91ada6ce9ef",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/klever-io/klever-go/commit/68b94a40824fac2d848a4ded6eb7c91ada6ce9ef"
                }
            ],
            "affected": [
                {
                    "vendor": "klever-io",
                    "product": "klever-go",
                    "versions": [
                        {
                            "version": "< 1.7.17",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-07-21T19:51:18.745Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.17, KVM exposes `ExecuteReadOnlyWithTypedArguments` as a read-only execution mechanism. The hook saves the previous read-only state, sets `runtime.SetReadOnly(true)`, executes the destination context, and then restores the previous read-only state. However, the indirect contract delete and upgrade paths do not reject execution when `runtime.ReadOnly()` is true. As a result, a contract reached through read-only execution can call the production delete hook for a target contract it owns. The delete path appends the target address to `vmOutput.DeletedAccounts`, the output context merges `DeletedAccounts` into the caller output, and the smart contract processor later processes the VM output by deleting accounts listed in that field. The root cause is that read-only mode is applied as runtime state, but not enforced by the state-changing delete and upgrade host-core paths. This breaks the expected isolation boundary for workflows that rely on read-only calls to inspect another contract without allowing that callee to produce state-changing VM output. The issue is fixed in v1.7.17. Contract delete and upgrade host-core paths now reject execution when `runtime.ReadOnly()` is true. The invariant is regression-tested for delete, upgrade, storage writes, value transfers, and any VM output field that can later mutate chain state."
                }
            ],
            "source": {
                "advisory": "GHSA-jc6w-wmfc-fh33",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/klever-io/klever-go/security/advisories/GHSA-jc6w-wmfc-fh33",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-22T14:26:16.323007Z",
                                "id": "CVE-2026-46403",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-22T14:28:22.326Z"
                }
            }
        ]
    }
}