{"id":"CVE-2026-35165","state":"PUBLISHED","title":"LORIS has incorrect access checks in document_repository","description":"LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 21.0.0 to before 27.0.3 and 28.0.1, while the document_repository frontend was restricting file access, the backend endpoint was not correctly verifying access permissions. A user could theoretically download a file that they should not have access to, if they know or can brute force the filename. This vulnerability is fixed in 27.0.3 and 28.0.1.","publishedAt":"2026-04-08T18:23:34.101Z","updatedAt":"2026-04-08T20:13:29.831Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["aces Loris"],"affected":[{"vendor":"aces","product":"Loris","versions":[{"version":">= 21.0.0, < 27.0.3","status":"affected"},{"version":">= 28.0.0, < 28.0.1","status":"affected"}]}],"references":["https://github.com/aces/Loris/security/advisories/GHSA-qp6x-qfx7-54wp"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/35xxx/CVE-2026-35165.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-35165","state":"PUBLISHED","datePublished":"2026-04-08T18:23:34.101Z","dateUpdated":"2026-04-08T20:13:29.831Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-01T17:26:21.133Z"},"containers":{"cna":{"title":"LORIS has incorrect access checks in document_repository","descriptions":[{"lang":"en","value":"LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 21.0.0 to before 27.0.3 and 28.0.1, while the document_repository frontend was restricting file access, the backend endpoint was not correctly verifying access permissions. A user could theoretically download a file that they should not have access to, if they know or can brute force the filename. This vulnerability is fixed in 27.0.3 and 28.0.1."}],"affected":[{"vendor":"aces","product":"Loris","versions":[{"version":">= 21.0.0, < 27.0.3","status":"affected"},{"version":">= 28.0.0, < 28.0.1","status":"affected"}]}],"references":[{"url":"https://github.com/aces/Loris/security/advisories/GHSA-qp6x-qfx7-54wp","name":"https://github.com/aces/Loris/security/advisories/GHSA-qp6x-qfx7-54wp","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-08T18:23:34.101Z"},"source":{"advisory":"GHSA-qp6x-qfx7-54wp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-08T20:13:01.869226Z","id":"CVE-2026-35165","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":"2026-04-08T20:13:29.831Z"}}]}}}