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    "cveMetadata": {
        "cveId": "CVE-2026-19505",
        "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "state": "PUBLISHED",
        "assignerShortName": "certcc",
        "dateReserved": "2026-08-10T19:13:26.432Z",
        "datePublished": "2026-08-19T19:27:40.654Z",
        "dateUpdated": "2026-08-27T16:10:08.424Z"
    },
    "containers": {
        "cna": {
            "title": "RDK-B WebUI improper cryptographic signature verification vulnerability",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Improper cryptographic signature verification in `jst_functions.c` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote attacker to bypass authentication and obtain administrative access via a forged JWT containing an invalid RSA signature."
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "affected": [
                {
                    "vendor": "RDK",
                    "product": "RDK-B WebUI",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "rdkb-2025q4-kirkstone"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-347 Improper Verification of Cryptographic Signature"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://whitehats.pwr.edu.pl//blog/2026-08-19-multiple-vulnerabilities-in-rdkb/"
                },
                {
                    "url": "https://developer.rdkcentral.com/documentation/documentation/rdk_broadband_documentation/components/webui/"
                }
            ],
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                "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-19505"
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            "providerMetadata": {
                "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
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            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-347",
                                "lang": "en",
                                "description": "CWE-347 Improper Verification of Cryptographic Signature"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.8,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-27T16:10:04.555156Z",
                                "id": "CVE-2026-19505",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-27T16:10:08.424Z"
                }
            }
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}