{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77172", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-08-20T15:00:00.607Z", "datePublished": "2026-10-27T16:15:34.765Z", "dateUpdated": "2026-10-27T16:15:34.765Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "App passwords were allowed to bypass password confirmation on sensitive endpoints."}], "affected": [{"defaultStatus": "unaffected", "vendor": "Nextcloud", "product": "Server", "versions": [{"version": "32.0.0", "status": "affected", "lessThanOrEqual": "34.0.0", "versionType": "semver"}]}], "references": [{"url": "https://hackerone.com/reports/3566607"}], "metrics": [{"cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management"}]}], "credits": [{"lang": "en", "value": "Nicholas Carlini (npc)", "type": "finder"}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-10-27T16:15:34.765Z"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Server", "vendor": "Nextcloud", "versions": [{"lessThanOrEqual": "34.0.0", "status": "affected", "version": "32.0.0", "versionType": "semver"}]}], "source": "support@hackerone.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "App passwords were allowed to bypass password confirmation on sensitive endpoints."}], "id": "CVE-2026-77172", "lastModified": "2026-10-28T14:47:07.963", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "support@hackerone.com", "type": "Secondary"}]}, "published": "2026-10-27T17:17:02.933", "references": [{"source": "support@hackerone.com", "url": "https://hackerone.com/reports/3566607"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "support@hackerone.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[32.0.0,34.0.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Server", "source": "cna", "vendor": "Nextcloud"}, "product": "server", "vendor": "nextcloud"}], "created": "2026-10-27T18:15:06.706414+00:00", "title": "App Passwords Bypass Password Confirmation on Sensitive Endpoints", "updated": "2026-10-27T19:00:08.353632+00:00", "vendors": ["nextcloud", "nextcloud$PRODUCT$server"]}