{"id":"CVE-2026-18652","state":"PUBLISHED","title":"Velociraptor STACK Type Download Path Bypasses Denied Prefix Check","description":"Velociraptor allows reading Stacked result sets from the GUI.  Velociraptor's multi-tenant design stores sub orgs within the datastore directory. The path requested by the GUI is not correctly checked against the prefix deny list, allowing result sets to read from denied prefixes.\n\nIn particular, a user with read access to the root org can access result sets from child orgs.","publishedAt":"2026-08-12T09:56:10.329Z","updatedAt":"2026-08-24T05:12:59.867Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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":"0.77.2","versionType":"semver"}],"repo":"https://github.com/Velocidex/velociraptor/"}],"references":["http://docs.velociraptor.app/announcements/advisories/cve-2026-18652/"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18652.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18652","state":"PUBLISHED","datePublished":"2026-08-12T09:56:10.329Z","dateUpdated":"2026-08-24T05:12:59.867Z","assignerShortName":"rapid7","assignerOrgId":"9974b330-7714-4307-a722-5648477acda7","dateReserved":"2026-08-03T11:53:21.524Z"},"containers":{"cna":{"title":"Velociraptor STACK Type Download Path Bypasses Denied Prefix Check","descriptions":[{"lang":"en","value":"Velociraptor allows reading Stacked result sets from the GUI.  Velociraptor's multi-tenant design stores sub orgs within the datastore directory. The path requested by the GUI is not correctly checked against the prefix deny list, allowing result sets to read from denied prefixes.\n\nIn particular, a user with read access to the root org can access result sets from child orgs."}],"affected":[{"vendor":"Rapid7","product":"Velociraptor","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.77.2","versionType":"semver"}],"repo":"https://github.com/Velocidex/velociraptor/"}],"references":[{"url":"http://docs.velociraptor.app/announcements/advisories/cve-2026-18652/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"rapid7","orgId":"9974b330-7714-4307-a722-5648477acda7","dateUpdated":"2026-08-24T05:12:59.867Z"},"impacts":[{"capecId":"CAPEC-1","descriptions":[{"lang":"en","value":"CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}],"configurations":[{"lang":"en","value":"To exploit this vulnerability, the user must have a \"reader\" role to the root org.","supportingMedia":[{"type":"text/html","base64":false,"value":"To exploit this vulnerability, the user must have a \"reader\" role to the root org."}]}],"workarounds":[{"lang":"en","value":"As  documented https://docs.velociraptor.app/docs/deployment/security/#the-root-org ,  the root org is more privileged than other orgs. You should only give trusted users access to the root org.","supportingMedia":[{"type":"text/html","base64":false,"value":"As&nbsp;<a href=\"https://docs.velociraptor.app/docs/deployment/security/#the-root-org\">documented</a>,&nbsp; the root org is more privileged than other orgs.&nbsp;You should only give trusted users access to the root org."}]}],"credits":[{"lang":"en","value":"Reported independently by Tristan Madani (Talence Security)","type":"finder"},{"lang":"en","value":"Reported independently by Leonardo Souza (anauaque)","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T12:28:05.520917Z","id":"CVE-2026-18652","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":"2026-08-12T12:28:13.118Z"}}]}}}