CVE-2026-77173

{"id": "CVE-2026-77173", "cveTags": [], "metrics": {"cvssMetricV30": [{"type": "Secondary", "source": "support@hackerone.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "affected": [{"source": "support@hackerone.com", "affectedData": [{"vendor": "Nextcloud", "product": "Files Confidential", "versions": [{"status": "affected", "version": "3.3.0", "versionType": "semver", "lessThanOrEqual": "5.0.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-27T17:17:03.053", "references": [{"url": "https://hackerone.com/reports/3682163", "source": "support@hackerone.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "A user could create a docx or odt file with a # in the filename with confidential information such as a credit card number and have it not be marked as confidential."}], "lastModified": "2026-10-28T14:47:07.963", "sourceIdentifier": "support@hackerone.com"}