CVE-2026-47086

{"id": "CVE-2026-47086", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47086", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-16T18:46:52.503524Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 3.5, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.8}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "cyrusimap", "product": "Cyrus IMAP", "versions": [{"status": "affected", "version": "0", "lessThan": "3.12.3", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-16T19:16:49.253", "references": [{"url": "https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html", "source": "cve@mitre.org"}, {"url": "https://www.cyrusimap.org/imap/download/release-notes/index.html", "source": "cve@mitre.org"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token (via the GENURLAUTH command) for any mailbox they could name, even without read access on it. This would allow reading mail from mailboxes despite having no granted permissions."}], "lastModified": "2026-07-17T18:04:04.083", "sourceIdentifier": "cve@mitre.org"}