CVE-2026-15075

{"id": "CVE-2026-15075", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-15075", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-14T12:18:43.429169Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "emo@eclipse.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "emo@eclipse.org", "affectedData": [{"repo": "https://github.com/eclipse-vertx/vert.x", "vendor": "Eclipse Foundation", "product": "Eclipse Vert.x", "versions": [{"status": "affected", "version": "4.0.0", "versionType": "semver", "lessThanOrEqual": "4.5.29"}, {"status": "affected", "version": "5.0.0", "versionType": "semver", "lessThanOrEqual": "5.1.4"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-14T09:16:40.180", "references": [{"url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/161", "tags": ["Issue Tracking"], "source": "emo@eclipse.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "emo@eclipse.org", "description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-346"}]}], "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."}, {"lang": "es", "value": "En las versiones de Eclipse Vert.x hasta la 4.5.29 (rama 4.x) y la 5.1.4 (rama 5.x) inclusive, DefaultRedirectHandler (vertx-core) propaga todos los encabezados de solicitud tal cual a trav\u00e9s de redirecciones HTTP 30x de origen cruzado. Solo se elimina Content-Length; no se realiza ninguna comparaci\u00f3n de origen (esquema, host, puerto) antes de copiar los encabezados al destino de la redirecci\u00f3n.\nComo resultado, los encabezados de credenciales, incluyendo Autorizaci\u00f3n, cookie, Proxy-Authorization, y encabezados personalizados arbitrarios como X-API-Token, se reenv\u00edan al destino de la redirecci\u00f3n sin el conocimiento del llamador.\n\nUn atacante que puede hacer que un Vert.x HttpClient emita una solicitud que se redirige a un host controlado por el atacante (por ejemplo, al proporcionar una URL a un despachador de webhook, un proxy de imagen o un recuperador de URL de microservicio) puede capturar tokens de portador, credenciales de autenticaci\u00f3n b\u00e1sica, cookies de sesi\u00f3n y claves API adjuntas a la solicitud original."}], "lastModified": "2026-10-24T22:10:00.210", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8D44E871-B846-46B4-A134-81D5CCD160BD", "versionEndIncluding": "4.5.29"}, {"criteria": "cpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20CCD041-C4F7-4580-ABF9-91EF0C16E7F1", "versionEndIncluding": "5.1.4", "versionStartIncluding": "5.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "emo@eclipse.org"}