{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77171","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","state":"PUBLISHED","assignerShortName":"hackerone","dateReserved":"2026-08-20T15:00:00.606Z","datePublished":"2026-10-27T16:15:34.770Z","dateUpdated":"2026-10-27T16:15:34.770Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A public shared collective always allowed recipients of the link to create pages."}],"affected":[{"defaultStatus":"unaffected","vendor":"Nextcloud","product":"Collectives","versions":[{"version":"4.0.0","status":"affected","lessThanOrEqual":"4.0.0","versionType":"semver"}]}],"references":[{"url":"https://hackerone.com/reports/3533697"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","baseScore":3.5,"baseSeverity":"LOW"}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","cweId":"CWE-284","description":"CWE-284 Improper Access Control - Generic"}]}],"credits":[{"lang":"en","value":"_dha (yoyomiski)","type":"finder"}],"providerMetadata":{"orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","shortName":"hackerone","dateUpdated":"2026-10-27T16:15:34.770Z"}}}}