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    "cveMetadata": {
        "cveId": "CVE-2026-15075",
        "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
        "state": "PUBLISHED",
        "assignerShortName": "eclipse",
        "dateReserved": "2026-07-08T15:22:44.892Z",
        "datePublished": "2026-07-14T08:15:53.650Z",
        "dateUpdated": "2026-07-14T12:18:54.815Z"
    },
    "containers": {
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                "orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
                "shortName": "eclipse",
                "dateUpdated": "2026-07-14T08:15:53.650Z"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-200",
                            "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-346",
                            "description": "CWE-346: Origin Validation Error",
                            "type": "CWE"
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            ],
            "impacts": [
                {
                    "capecId": "CAPEC-60",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-60: HTTP Response Smuggling"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Eclipse Foundation",
                    "product": "Eclipse Vert.x",
                    "repo": "https://github.com/eclipse-vertx/vert.x",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "4.0.0",
                            "lessThanOrEqual": "4.5.29",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "5.0.0",
                            "lessThanOrEqual": "5.1.4",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In Eclipse Vert.x versions up to and including 4.5.29 (4.x branch) and 5.1.4 (5.x branch), DefaultRedirectHandler (vertx-core) propagates all request headers as-is across cross-origin HTTP 30x redirects. Only Content-Length is stripped; no origin comparison (scheme, host, port) is performed before copying headers to the redirect target.\nAs a result, credential headers, including Authorization, Cookie, Proxy-Authorization, and arbitrary custom headers such as X-API-Token, are forwarded to the redirect destination without the caller's knowledge.\n\n\n\n\nAn attacker who can cause a Vert.x HttpClient to issue a request that is redirected to an attacker-controlled host (for example, by supplying a URL to a webhook dispatcher, image proxy, or microservice URL fetcher) can capture bearer tokens, basic-auth credentials, session cookies, and API keys attached to the original request.",
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                            "base64": false,
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                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/161"
                }
            ],
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                    "scenarios": [
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                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "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": 8.2,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "x_generator": {
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        "adp": [
            {
                "metrics": [
                    {
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-14T12:18:43.429169Z",
                                "id": "CVE-2026-15075",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                "title": "CISA ADP Vulnrichment",
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