authentik: SourceStage bypass via empty POST_CVE-2026-49448

{
    "lastseen": "",
    "description": "authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, the Source stage can be bypassed by sending an empty POST. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.",
    "published": "2026-06-02T20:31:20.323Z",
    "modified": "2026-06-02T20:31:20.323Z",
    "type": "cve",
    "title": "authentik: SourceStage bypass via empty POST",
    "source": "GitHub_M",
    "references": "https://github.com/goauthentik/authentik/security/advisories/GHSA-xp7f-xjjx-gwm8",
    "id": "CVE-2026-49448",
    "bulletinFamily": "",
    "cwe": [
        "CWE-287"
    ],
    "cvelist": null,
    "sourceData": "goauthentik authentik < 2025.12.6\ngoauthentik authentik < 2026.2.4\ngoauthentik authentik < 2026.5.1",
    "sourceHref": "",
    "cvss": {
        "score": 9.8,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "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": "authentik",
    "version": "< 2025.12.6",
    "vendor": "goauthentik",
    "ai_description": "Source stage bypass via empty POST in authentik",
    "ai_severity": "Critical",
    "ai_vendor": "goauthentik",
    "ai_product": "authentik",
    "ai_version": "< 2025.12.6, < 2026.2.4, < 2026.5.1",
    "ai_score": 9.8
}