{"id":"CVE-2026-64870","state":"PUBLISHED","title":"MaxKB: UpdateStoreTool fetches caller-supplied app-store URLs without host validation","description":"MaxKB is an open-source AI assistant for enterprise. In versions 2.0.0 through 2.10.4-lts, UpdateStoreTool.update_tool passes caller-supplied download_url and download_callback_url values to requests.get without equivalent trusted-host and redirect validation, allowing an authenticated workspace user to make the server request internal, loopback, link-local, or cloud metadata URLs. A fix is present on the v2 branch but has not yet been included in a published release.","publishedAt":"2026-07-30T17:01:18.102Z","updatedAt":"2026-07-30T17:42:51.968Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["1Panel-dev MaxKB"],"affected":[{"vendor":"1Panel-dev","product":"MaxKB","versions":[{"version":">= 2.0.0, <= 2.10.4-lts","status":"affected"}]}],"references":["https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-7xxm-gqxv-ph3v","https://github.com/1Panel-dev/MaxKB/commit/a96a4fc17051d80e5b90a632ad8ec851d7d24b58"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64870.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64870","state":"PUBLISHED","datePublished":"2026-07-30T17:01:18.102Z","dateUpdated":"2026-07-30T17:42:51.968Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-20T18:31:39.292Z"},"containers":{"cna":{"title":"MaxKB: UpdateStoreTool fetches caller-supplied app-store URLs without host validation","descriptions":[{"lang":"en","value":"MaxKB is an open-source AI assistant for enterprise. In versions 2.0.0 through 2.10.4-lts, UpdateStoreTool.update_tool passes caller-supplied download_url and download_callback_url values to requests.get without equivalent trusted-host and redirect validation, allowing an authenticated workspace user to make the server request internal, loopback, link-local, or cloud metadata URLs. A fix is present on the v2 branch but has not yet been included in a published release."}],"affected":[{"vendor":"1Panel-dev","product":"MaxKB","versions":[{"version":">= 2.0.0, <= 2.10.4-lts","status":"affected"}]}],"references":[{"url":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-7xxm-gqxv-ph3v","name":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-7xxm-gqxv-ph3v","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/1Panel-dev/MaxKB/commit/a96a4fc17051d80e5b90a632ad8ec851d7d24b58","name":"https://github.com/1Panel-dev/MaxKB/commit/a96a4fc17051d80e5b90a632ad8ec851d7d24b58","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-30T17:02:23.078Z"},"source":{"advisory":"GHSA-7xxm-gqxv-ph3v","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-7xxm-gqxv-ph3v","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T17:42:43.055184Z","id":"CVE-2026-64870","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-30T17:42:51.968Z"}}]}}}