go-git Credential leak via cross-host redirect in smart HTTP transport_CVE-2026-41506

{
    "lastseen": "",
    "description": "go-git is an extensible git implementation library written in pure Go. Prior to versions 5.18.0 and 6.0.0-alpha.2, go-git may leak HTTP authentication credentials when following redirects during smart-HTTP clone and fetch operations. This issue has been patched in versions 5.18.0 and 6.0.0-alpha.2.",
    "published": "2026-05-08T13:43:19.911Z",
    "modified": "2026-05-08T13:43:19.911Z",
    "type": "cve",
    "title": "go-git Credential leak via cross-host redirect in smart HTTP transport",
    "source": "GitHub_M",
    "references": "https://github.com/go-git/go-git/security/advisories/GHSA-3xc5-wrhm-f963\nhttps://github.com/go-git/go-git/releases/tag/v5.18.0\nhttps://github.com/go-git/go-git/releases/tag/v6.0.0-alpha.2",
    "id": "CVE-2026-41506",
    "bulletinFamily": "",
    "cwe": [
        "CWE-522"
    ],
    "cvelist": null,
    "sourceData": "go-git go-git < 5.18.0\ngo-git go-git < 6.0.0-alpha.2",
    "sourceHref": "",
    "cvss": {
        "score": 4.7,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "go-git",
    "version": "< 5.18.0",
    "vendor": "go-git",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}