{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-02T06:11:38.422","vulnerabilities":[{"cve":{"id":"CVE-2025-66547","sourceIdentifier":"security-advisories@github.com","published":"2025-12-05T17:16:05.330","lastModified":"2026-06-17T09:57:00.460","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 31.0.1, non-privileged users can modify tags on files they should not have access to via bulk tagging. This vulnerability is fixed in 31.0.1."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"nextcloud","product":"security-advisories","versions":[{"version":"< 31.0.1","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-12-05T18:20:11.023676Z","id":"CVE-2025-66547","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-639"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*","versionStartIncluding":"31.0.0","versionEndExcluding":"31.0.1","matchCriteriaId":"D8631F6B-EED4-4B47-84C3-7BC63464AC15"},{"vulnerable":true,"criteria":"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"31.0.0","versionEndExcluding":"31.0.1","matchCriteriaId":"52B7D78F-BCCC-4178-BB21-AB9587D11386"}]}]}],"references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hq6c-r898-fgf2","source":"security-advisories@github.com","tags":["Patch","Vendor Advisory"]},{"url":"https://github.com/nextcloud/server/commit/b44f1568f2dc97c746281d99e2342ad679e3d8a9","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/nextcloud/server/issues/51247","source":"security-advisories@github.com","tags":["Issue Tracking"]},{"url":"https://github.com/nextcloud/server/pull/51288","source":"security-advisories@github.com","tags":["Issue Tracking"]},{"url":"https://hackerone.com/reports/3040887","source":"security-advisories@github.com","tags":["Permissions Required","Vendor Advisory"]}]}}]}