Cillium exposes sensitive information included in the cilium-bugtool debug archive_CVE-2026-41520

{
    "lastseen": "",
    "description": "Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.17.15, 1.18.9, and 1.19.3, the output of cilium-bugtool can contain sensitive data when the tool is run against Cilium deployments with WireGuard encryption enabled. This issue has been patched in versions 1.17.15, 1.18.9, and 1.19.3.",
    "published": "2026-05-08T22:01:08.394Z",
    "modified": "2026-05-08T22:01:08.394Z",
    "type": "cve",
    "title": "Cillium exposes sensitive information included in the cilium-bugtool debug archive",
    "source": "GitHub_M",
    "references": "https://github.com/cilium/cilium/security/advisories/GHSA-gj49-89wh-h4gj\nhttps://github.com/cilium/cilium/releases/tag/v1.17.15\nhttps://github.com/cilium/cilium/releases/tag/v1.18.9\nhttps://github.com/cilium/cilium/releases/tag/v1.19.3",
    "id": "CVE-2026-41520",
    "bulletinFamily": "",
    "cwe": [
        "CWE-200",
        "CWE-312"
    ],
    "cvelist": null,
    "sourceData": "cilium cilium < 1.17.15\ncilium cilium >= 1.18.0, < 1.18.9\ncilium cilium >= 1.19.0, < 1.19.3",
    "sourceHref": "",
    "cvss": {
        "score": 7.9,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/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": "cilium",
    "version": "< 1.17.15",
    "vendor": "cilium",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}