{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-107929",
        "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "state": "PUBLISHED",
        "assignerShortName": "curl",
        "dateReserved": "2026-10-09T07:51:38.463Z",
        "datePublished": "2026-10-20T20:29:28.177Z",
        "dateUpdated": "2026-10-20T20:29:28.177Z"
    },
    "containers": {
        "cna": {
            "title": "local interface connection reuse mixup",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "When `CURLOPT_INTERFACE` (or the command line tool's `--interface` option) is\nset with one of the documented prefixes (`if!`, `host!`, `ifhost!`), that\nbinding is not part of the connection reuse key, so a later transfer asking\nfor a different source can silently reuse an existing connection and go out\nfrom the earlier transfer's source address"
                }
            ],
            "providerMetadata": {
                "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
                "shortName": "curl",
                "dateUpdated": "2026-10-20T20:29:28.177Z"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-488 Exposure of Data Element to Wrong Session"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "curl",
                    "product": "curl",
                    "versions": [
                        {
                            "version": "8.22.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.22.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.21.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.21.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.20.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.20.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.19.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.19.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.18.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.18.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.17.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.17.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.16.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.16.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.15.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.15.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.14.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.14.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.14.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.14.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.13.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.13.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.12.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.12.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.12.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.12.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.11.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.11.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.11.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.11.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.10.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.10.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.10.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.10.0",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.9.1",
                            "status": "affected",
                            "lessThanOrEqual": "8.9.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "8.9.0",
                            "status": "affected",
                            "lessThanOrEqual": "8.9.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "references": [
                {
                    "url": "https://curl.se/docs/CVE-2026-107929.json",
                    "name": "json"
                },
                {
                    "url": "https://curl.se/docs/CVE-2026-107929.html",
                    "name": "www"
                },
                {
                    "url": "https://hackerone.com/reports/4099618",
                    "name": "issue"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Maksim Hayder",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Stefan Eissing",
                    "type": "remediation developer"
                }
            ]
        }
    }
}