CVE-2026-62387

{"id": "CVE-2026-62387", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-62387", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-17T12:03:49.410314Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/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": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "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": "disclosure@vulncheck.com", "affectedData": [{"repo": "https://github.com/getgrav/grav", "vendor": "getgrav", "product": "grav", "versions": [{"status": "affected", "version": "0", "lessThan": "1.0.0-rc.16", "versionType": "semver"}, {"status": "unaffected", "version": "1.0.0-rc.16", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-17T02:18:12.053", "references": [{"url": "https://github.com/getgrav/grav/security/advisories/GHSA-93px-98wh-6fj2", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/grav-rc-16-cors-misconfiguration-via-api-plugin", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/getgrav/grav/security/advisories/GHSA-93px-98wh-6fj2", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-942"}]}], "descriptions": [{"lang": "en", "value": "The Grav API plugin (getgrav/grav-plugin-api) before 1.0.0-rc.16 shipped Access-Control-Allow-Origin: * as its default CORS configuration on all responses, including authenticated endpoints and preflight (OPTIONS) responses. Because the plugin accepts credentials via the Authorization and X-API-Token headers (set programmatically by JavaScript rather than via cookies), an attacker who obtains a valid access token (e.g., via log leakage, Referer headers, browser history, or network capture) can issue fully authenticated cross-origin requests from any malicious website to read sensitive data and perform write operations as the token's user. Fixed in 1.0.0-rc.16."}, {"lang": "es", "value": "El plugin Grav API (getgrav/grav-plugin-api) anterior a la versi\u00f3n 1.0.0-rc.16 inclu\u00eda Access-Control-Allow-Origin: * como su configuraci\u00f3n CORS predeterminada en todas las respuestas, incluyendo los puntos finales autenticados y las respuestas de preflight (OPTIONS). Debido a que el plugin acepta credenciales a trav\u00e9s de los encabezados Authorization y X-API-Token (establecidos program\u00e1ticamente por JavaScript en lugar de mediante cookies), un atacante que obtiene un token de acceso v\u00e1lido (por ejemplo, a trav\u00e9s de fugas de registros, encabezados Referer, historial del navegador o captura de red) puede emitir solicitudes de origen cruzado completamente autenticadas desde cualquier sitio web malicioso para leer datos sensibles y realizar operaciones de escritura como el usuario del token. Corregido en la versi\u00f3n 1.0.0-rc.16."}], "lastModified": "2026-10-24T20:10:00.137", "sourceIdentifier": "disclosure@vulncheck.com"}