{"id":"CVE-2026-6863","state":"PUBLISHED","title":"HTTP Filestore Endpoints Misapply Permissions Across Organizations","description":"Velociraptor versions prior to 0.76.4 contain a cross organization authorization bypass in the HTTP API. A user with only the reader role in the root organization (the lowest authenticated role, holding only READ_RESULTS permission ) can issue a single authenticated HTTP GET that can read any files from other orgs - even if they have no explicit permissions in the target org.\n\n\n\nHowever, the problem does not occur in reverse - a user with read access to a sub org is unable to read from other org or the root org.","publishedAt":"2026-05-06T14:50:55.631Z","updatedAt":"2026-05-06T15:27:40.088Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","source":"rapid7"},"assigner":"rapid7","products":["Rapid7 Velociraptor"],"affected":[{"vendor":"Rapid7","product":"Velociraptor","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.76.4, 0.75.9","versionType":"semver"}],"platforms":["Linux"],"repo":"https://github.com/Velocidex/velociraptor"}],"references":["https://docs.velociraptor.app/announcements/advisories/cve-2026-6863/"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/6xxx/CVE-2026-6863.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6863","state":"PUBLISHED","datePublished":"2026-05-06T14:50:55.631Z","dateUpdated":"2026-05-06T15:27:40.088Z","assignerShortName":"rapid7","assignerOrgId":"9974b330-7714-4307-a722-5648477acda7","dateReserved":"2026-04-22T14:25:24.122Z"},"containers":{"cna":{"title":"HTTP Filestore Endpoints Misapply Permissions Across Organizations","descriptions":[{"lang":"en","value":"Velociraptor versions prior to 0.76.4 contain a cross organization authorization bypass in the HTTP API. A user with only the reader role in the root organization (the lowest authenticated role, holding only READ_RESULTS permission ) can issue a single authenticated HTTP GET that can read any files from other orgs - even if they have no explicit permissions in the target org.\n\n\n\nHowever, the problem does not occur in reverse - a user with read access to a sub org is unable to read from other org or the root org."}],"affected":[{"vendor":"Rapid7","product":"Velociraptor","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.76.4, 0.75.9","versionType":"semver"}],"platforms":["Linux"],"repo":"https://github.com/Velocidex/velociraptor"}],"references":[{"url":"https://docs.velociraptor.app/announcements/advisories/cve-2026-6863/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863 Improper Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"rapid7","orgId":"9974b330-7714-4307-a722-5648477acda7","dateUpdated":"2026-05-06T14:54:19.814Z"},"impacts":[{"capecId":"CAPEC-114","descriptions":[{"lang":"en","value":"CAPEC-114 Authentication Abuse"}]}],"solutions":[{"lang":"en","value":"To remediate, you will need to  upgrade your server https://docs.velociraptor.app/docs/deployment/server/upgrades/#upgrading-a-server-in-place-upgrade  to the latest version of your release:\n\n  *  For 0.76 releases, upgrade immediately to  v0.76.4 https://github.com/Velocidex/velociraptor/releases/download/v0.76/velociraptor-v0.76.4-linux-amd64 \n  *  For 0.75 releases, upgrade immediately to  v0.75.9 https://github.com/Velocidex/velociraptor/releases/download/v0.75/velociraptor-v0.75.9-linux-amd64","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>To remediate, you will need to&nbsp;<a href=\"https://docs.velociraptor.app/docs/deployment/server/upgrades/#upgrading-a-server-in-place-upgrade\">upgrade your server</a>&nbsp;to the latest version of your release:</p><ul><li>For 0.76 releases, upgrade immediately to&nbsp;<a href=\"https://github.com/Velocidex/velociraptor/releases/download/v0.76/velociraptor-v0.76.4-linux-amd64\" target=\"_blank\">v0.76.4</a></li><li>For 0.75 releases, upgrade immediately to&nbsp;<a href=\"https://github.com/Velocidex/velociraptor/releases/download/v0.75/velociraptor-v0.75.9-linux-amd64\" target=\"_blank\">v0.75.9</a></li></ul>"}]}],"credits":[{"lang":"en","value":"We thank Faisal Alhumaid (Faisal.alhumaid@hotmail.com) for reporting this issue responsibly.","type":"finder"}],"source":{"advisory":"docs.velociraptor.app/announcements/advisories/cve-2026-6863/","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-06T15:26:49.596766Z","id":"CVE-2026-6863","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":"2026-05-06T15:27:40.088Z"}}]}}}