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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-118485",
        "assignerOrgId": "6064c9f1-42e5-4cc5-a67a-1636d7a9d3fd",
        "state": "PUBLISHED",
        "assignerShortName": "OCD",
        "dateReserved": "2026-10-28T11:13:12.954Z",
        "datePublished": "2026-10-28T11:26:59.053Z",
        "dateUpdated": "2026-10-28T11:26:59.053Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "6064c9f1-42e5-4cc5-a67a-1636d7a9d3fd",
                "shortName": "OCD",
                "dateUpdated": "2026-10-28T11:26:59.053Z"
            },
            "title": "Axel Download Accelerator Path Traversal via URL Filename Decoding",
            "datePublic": "2026-10-28T11:25:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-24",
                            "description": "CWE-24 Path traversal: '../filedir'",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-126",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-126 Path Traversal"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Axel Download Accelerator",
                    "product": "Axel",
                    "repo": "https://github.com/axel-download-accelerator/axel/",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThanOrEqual": "2.17.14",
                            "versionType": "git"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "cpeApplicability": [
                {
                    "operator": "OR",
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:axel_download_accelerator:axel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "0",
                                    "versionEndIncluding": "2.17.14"
                                }
                            ]
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Axel Download Accelerator 2.17.14 and earlier performs URL percent-decoding (http_decode()) on the output filename after the URL has been parsed and the filename component extracted. This allows an attacker to embed %2e%2e%2f (URL-encoded ../) sequences in the URL path. These sequences survive the URL parser intact (they contain no literal / characters) but are decoded into directory traversal sequences before the output file is opened for writing. As a result, a crafted URL can cause axel to write downloaded content to arbitrary filesystem paths relative to the current working directory.",
                    "supportingMedia": [
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                            "type": "text/html",
                            "base64": false,
                            "value": "Axel Download Accelerator 2.17.14 and earlier performs URL percent-decoding (http_decode()) on the output filename after the URL has been parsed and the filename component extracted. This allows an attacker to embed %2e%2e%2f (URL-encoded ../) sequences in the URL path. These sequences survive the URL parser intact (they contain no literal / characters) but are decoded into directory traversal sequences before the output file is opened for writing. As a result, a crafted URL can cause axel to write downloaded content to arbitrary filesystem paths relative to the current working directory."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/axel-download-accelerator/axel/issues/477",
                    "tags": [
                        "issue-tracking"
                    ]
                },
                {
                    "url": "https://github.com/axel-download-accelerator/axel/pull/483/changes/4e76e1a1dd1c4ea11b445e2c45e4ee257c76314e",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/axel-download-accelerator/axel/milestone/22",
                    "tags": [
                        "vendor-advisory"
                    ]
                },
                {
                    "url": "https://advisories.orangecyberdefense.com/advisories/167",
                    "tags": [
                        "third-party-advisory"
                    ]
                }
            ],
            "metrics": [
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                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "ACTIVE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 7,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"
                    }
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                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.1,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Apply patch provided by Axel. Will be fixed in 2.17.16 as well",
                    "supportingMedia": [
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                            "type": "text/html",
                            "base64": false,
                            "value": "Apply patch provided by Axel. Will be fixed in 2.17.16 as well"
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                }
            ],
            "timeline": [
                {
                    "time": "2026-02-27T23:00:00.000Z",
                    "lang": "en",
                    "value": "Vulnerability found"
                },
                {
                    "time": "2026-03-03T16:01:00.000Z",
                    "lang": "en",
                    "value": "Vulnerability disclosed to Axel"
                },
                {
                    "time": "2026-07-22T06:52:00.000Z",
                    "lang": "en",
                    "value": "Patch released"
                },
                {
                    "time": "2026-10-28T11:25:00.000Z",
                    "lang": "en",
                    "value": "Vulnerability disclosed"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Guillaume Meunier from Orange Cyberdefense CERT VOC Team",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.5"
            }
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    }
}