CVE-2026-73231

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{"affected": [{"affectedData": [{"product": "faker", "vendor": "faker-js", "versions": [{"status": "affected", "version": "< 10.5.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Faker generates massive amounts of fake data in the browser and Node.js. Prior to 10.5.0, the faker.helpers.fake method in src/modules/helpers/eval.ts allows attacker-controlled fake templates to access the Function constructor through fakeEval.resolveProperty when a function returns another function, enabling arbitrary JavaScript code execution. This issue is fixed in version 10.5.0."}, {"lang": "es", "value": "Faker genera cantidades masivas de datos falsos en el navegador y Node.js. Antes de la versi\u00f3n 10.5.0, el m\u00e9todo faker.helpers.fake en src/modules/helpers/eval.ts permite que plantillas falsas controladas por el atacante accedan al constructor Function a trav\u00e9s de fakeEval.resolveProperty cuyo una funci\u00f3n devuelve otra funci\u00f3n, lo que permite la ejecuci\u00f3n arbitraria de c\u00f3digo JavaScript. Este problema se corrigi\u00f3 en la versi\u00f3n 10.5.0."}], "id": "CVE-2026-73231", "lastModified": "2026-10-24T15:10:00.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73231", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-13T14:41:05.021103Z", "version": "2.0.3"}}]}, "published": "2026-08-11T20:18:48.400", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/faker-js/faker/commit/54586208f904012f57c50b46cc1ad32bcbe4bfb7"}, {"source": "security-advisories@github.com", "url": "https://github.com/faker-js/faker/pull/3852"}, {"source": "security-advisories@github.com", "url": "https://github.com/faker-js/faker/releases/tag/v10.5.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/faker-js/faker/security/advisories/GHSA-qxc2-j82w-r537"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/faker-js/faker/security/advisories/GHSA-qxc2-j82w-r537"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-95"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "@faker-js/faker: Faker: Arbitrary Code Execution via attacker-controlled fake templates", "id": "2514353", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514353"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-94", "details": ["Faker generates massive amounts of fake data in the browser and Node.js. Prior to 10.5.0, the faker.helpers.fake method in src/modules/helpers/eval.ts allows attacker-controlled fake templates to access the Function constructor through fakeEval.resolveProperty when a function returns another function, enabling arbitrary JavaScript code execution. This issue is fixed in version 10.5.0.", "A flaw was found in Faker, a library for generating fake data. The `faker.helpers.fake` method allows an attacker to control fake templates, which can then access the `Function` constructor. This access, specifically through `fakeEval.resolveProperty` when a function returns another function, enables arbitrary JavaScript code execution. This could allow an attacker to run malicious code within the application."], "mitigation": {"lang": "en:us", "value": "Do not pass untrusted or user-controlled input to the faker.helpers.fake() method. If Faker is only used for testing, ensure it is not included in production builds. Upgrading to @faker-js/faker version 10.5.0 resolves the underlying code injection vulnerability."}, "name": "CVE-2026-73231", "package_state": [{"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Affected", "package_name": "faker", "product_name": "Cryostat 4"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Affected", "package_name": "faker", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "faker", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "grafana", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana12.4", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Affected", "package_name": "faker", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "faker", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}], "public_date": "2026-08-11T19:28:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-73231\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-73231\nhttps://github.com/faker-js/faker/commit/54586208f904012f57c50b46cc1ad32bcbe4bfb7\nhttps://github.com/faker-js/faker/pull/3852\nhttps://github.com/faker-js/faker/releases/tag/v10.5.0\nhttps://github.com/faker-js/faker/security/advisories/GHSA-qxc2-j82w-r537"], "statement": "Red Hat products ship @faker-js/faker as a bundled dependency. Faker is typically used for test data generation rather than in production code paths, which limits the practical attack surface. However, if attacker-controlled input reaches the faker.helpers.fake() method, arbitrary code execution is possible. Upgrade to @faker-js/faker version 10.5.0 or later.", "threat_severity": "Important"}

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