{"id":"CVE-2025-47794","state":"PUBLISHED","title":"Nextcloud Server vulnerable to insecure temporary file creation, race with write access and permission","description":"Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1, an attacker on a multi-user system may read temporary files from Nextcloud running with a different user account, or run a symlink attack. Nextcloud Server versions 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1 fix the issue. No known workarounds are available.","publishedAt":"2025-05-16T14:35:25.280Z","updatedAt":"2025-05-16T14:48:34.016Z","severity":{"score":2.6,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["nextcloud security-advisories"],"affected":[{"vendor":"nextcloud","product":"security-advisories","versions":[{"version":">= 26.0.0, < 26.0.13.13","status":"affected"},{"version":">= 27.0.0, < 27.1.11.13","status":"affected"},{"version":">= 28.0.0, < 28.0.14.4","status":"affected"},{"version":">= 29.0.0, < 29.0.13","status":"affected"},{"version":">= 30.0.0, < 30.0.7","status":"affected"},{"version":">= 31.0.0, < 31.0.1","status":"affected"}]}],"references":["https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q568-2933-gcjq","https://github.com/nextcloud/server/pull/51194","https://hackerone.com/reports/1960647"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/47xxx/CVE-2025-47794.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-47794","state":"PUBLISHED","datePublished":"2025-05-16T14:35:25.280Z","dateUpdated":"2025-05-16T14:48:34.016Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-05-09T19:49:35.623Z"},"containers":{"cna":{"title":"Nextcloud Server vulnerable to insecure temporary file creation, race with write access and permission","descriptions":[{"lang":"en","value":"Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1, an attacker on a multi-user system may read temporary files from Nextcloud running with a different user account, or run a symlink attack. Nextcloud Server versions 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1 fix the issue. No known workarounds are available."}],"affected":[{"vendor":"nextcloud","product":"security-advisories","versions":[{"version":">= 26.0.0, < 26.0.13.13","status":"affected"},{"version":">= 27.0.0, < 27.1.11.13","status":"affected"},{"version":">= 28.0.0, < 28.0.14.4","status":"affected"},{"version":">= 29.0.0, < 29.0.13","status":"affected"},{"version":">= 30.0.0, < 30.0.7","status":"affected"},{"version":">= 31.0.0, < 31.0.1","status":"affected"}]}],"references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q568-2933-gcjq","name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q568-2933-gcjq","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nextcloud/server/pull/51194","name":"https://github.com/nextcloud/server/pull/51194","tags":["x_refsource_MISC"]},{"url":"https://hackerone.com/reports/1960647","name":"https://hackerone.com/reports/1960647","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":2.6,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"CWE-284: Improper Access Control","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-05-16T14:35:25.280Z"},"source":{"advisory":"GHSA-q568-2933-gcjq","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-16T14:48:28.138559Z","id":"CVE-2025-47794","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-16T14:48:34.016Z"}}]}}}