CVE-2026-71676

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer Overflow vulnerability in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the NAS 5GS decoder chain, triggered when the message type byte of a NAS PDU is mutated"}, {"lang": "es", "value": "Vulnerabilidad de desbordamiento de b\u00fafer en Open5GS v.2.7.0 permite a un atacante remoto causar una denegaci\u00f3n de servicio a trav\u00e9s de la cadena de decodificaci\u00f3n NAS 5GS, activado cuando el byte del tipo de mensaje de una PDU NAS es mutado."}], "id": "CVE-2026-71676", "lastModified": "2026-11-09T20:10:00.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-71676", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-19T12:39:54.546893Z", "version": "2.0.3"}}]}, "published": "2026-08-18T20:17:24.917", "references": [{"source": "cve@mitre.org", "url": "https://gist.github.com/centauruszzz/0d267967fc5d072f31c866603f7aaf7c"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://gist.github.com/centauruszzz/0d267967fc5d072f31c866603f7aaf7c"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.7.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "open5gs", "vendor": "open5gs"}], "created": "2026-08-18T22:00:14.769670+00:00", "updated": "2026-08-21T21:19:14.433228+00:00", "vendors": ["open5gs", "open5gs$PRODUCT$open5gs"]}