CVE-2026-72755

{"id": "CVE-2026-72755", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72755", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-26T17:46:52.938139Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "sep@nlnetlabs.nl", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.8, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 1.2}]}, "affected": [{"source": "sep@nlnetlabs.nl", "affectedData": [{"vendor": "NLnet Labs", "product": "Routinator", "versions": [{"status": "unaffected", "version": "0.15.3", "lessThan": "*", "versionType": "semver"}], "defaultStatus": "affected"}]}], "published": "2026-10-26T18:18:41.793", "references": [{"url": "https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72755.txt", "source": "sep@nlnetlabs.nl"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "sep@nlnetlabs.nl", "description": [{"lang": "en", "value": "CWE-755"}]}], "descriptions": [{"lang": "en", "value": "Routinator stores a newly-retrieved TA certificate via HTTPS in cache without validation, potentially overwriting a known good TA certificate even if validation fails."}], "lastModified": "2026-10-26T18:35:08.450", "sourceIdentifier": "sep@nlnetlabs.nl"}