CVE-2026-33872

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This may lead to unauthorized information disclosure that is difficult to trace, as the application may not throw an error but instead provide \"valid-looking\" yet entirely incorrect and private data to the wrong session. The issue is fixed in v3.1.4."}, {"lang": "es", "value": "elixir-nodejs proporciona una API de Elixir para llamar a funciones de Node.js. Una vulnerabilidad en versiones anteriores a la 3.1.4 resulta en fuga de datos entre usuarios o revelaci\u00f3n de informaci\u00f3n debido a una condici\u00f3n de carrera en el protocolo del trabajador. La falta de correlaci\u00f3n solicitud-respuesta crea una vulnerabilidad de \u2019respuesta obsoleta\u2019. Debido a que el trabajador no verifica a qu\u00e9 solicitud pertenece una respuesta, puede devolver los siguientes datos disponibles en el b\u00fafer a un llamador no relacionado. En entornos de alto rendimiento donde la biblioteca procesa datos de usuario sensibles (p. ej., PII, tokens de autenticaci\u00f3n o registros privados), un tiempo de espera o una alta carga concurrente puede causar que los Datos A (pertenecientes al Usuario A) sean devueltos al Usuario B. Esto puede llevar a una revelaci\u00f3n de informaci\u00f3n no autorizada que es dif\u00edcil de rastrear, ya que la aplicaci\u00f3n puede no lanzar un error, sino que en su lugar proporciona datos de \u2019apariencia v\u00e1lida\u2019 pero completamente incorrectos y privados a la sesi\u00f3n incorrecta. El problema se corrige en la v3.1.4."}], "id": "CVE-2026-33872", "lastModified": "2026-10-26T21:10:00.170", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33872", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-30T18:58:17.269367Z", "version": "2.0.3"}}]}, "published": "2026-03-27T20:16:34.990", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/revelrylabs/elixir-nodejs/issues/100"}, {"source": "security-advisories@github.com", "url": "https://github.com/revelrylabs/elixir-nodejs/pull/105"}, {"source": "security-advisories@github.com", "url": "https://github.com/revelrylabs/elixir-nodejs/releases/tag/v3.1.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/revelrylabs/elixir-nodejs/security/advisories/GHSA-rwcr-rpcc-3g9m"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.1.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "elixir-nodejs", "source": "cna", "vendor": "revelrylabs"}, "product": "elixir-nodejs", "vendor": "revelrylabs"}], "analysis": {"en": {"generated_at": "2026-03-27T21:35:42.555659+00:00", "value": {"mitigation_remediation": ["Upgrade elixir\u2011nodejs to v3.1.4 or later", "Verify that the application is using the updated version and that no legacy code paths remain", "Test the system under high concurrency to confirm that no stale responses are returned", "Implement monitoring for unexpected data returns or anomalies in user sessions"], "summary": {"action": "Patch Immediately", "impact": "Data Leakage"}, "threat_synthesis": {"affected_systems": "Revelry Labs elixir\u2011nodejs is affected in all versions prior to v3.1.4. Any deployments using those releases, especially those operating in high\u2011throughput or multi\u2011user environments, are at risk.", "description_and_impact": "A race condition in elixir-nodejs allows a stale response from the worker protocol, returning data that belongs to another user. The worker does not verify request-response correlation, so under high load or chronic timeout conditions the next available data in the buffer can be sent to an unrelated caller. The flaw can expose sensitive user information such as personally identifiable data, authentication credentials, or private records, and the denial of a clear error makes the misuse hard to trace.", "risk_and_exploitability": "The issue has a CVSS score of 7.1, indicating a high risk of data compromise. The Exploit Prediction Scoring System score is not published, but the vulnerability is not listed in CISA\u2019s KEV catalog. The attack is most likely achievable from within the application context by inducing concurrent requests or timed out operations; an adversary would need to jam traffic or exploit a busy server to trigger the race condition. Once exploited, the impact includes unauthorized disclosure of confidential data, with significant potential harm to users and the organization."}}}}, "created": "2026-03-29T20:30:14.590375+00:00", "updated": "2026-03-30T07:00:31.216509+00:00", "vendors": ["revelrylabs", "revelrylabs$PRODUCT$elixir-nodejs"]}