{"id":"CVE-2026-79918","state":"PUBLISHED","title":"MaxKB: Sandbox escape via unhooked fexecve","description":"MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, the ToolExecutor LD_PRELOAD sandbox hooks execve, execvpe, and execveat to prevent subprocess creation but does not hook fexecve. An authenticated attacker able to execute tool code can call fexecve to start a process outside the sandbox's intended subprocess policy. This issue is fixed in version 2.10.6-lts.","publishedAt":"2026-09-21T20:47:13.575Z","updatedAt":"2026-09-24T22:46:09.086Z","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":["1Panel-dev MaxKB"],"affected":[{"vendor":"1Panel-dev","product":"MaxKB","versions":[{"version":"< 2.10.6-lts","status":"affected"}]}],"references":["https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-9mh9-v949-fwqh","https://github.com/1Panel-dev/MaxKB/commit/6fa7947a85030b87977c4026f33af11ca10dd1e6","https://github.com/1Panel-dev/MaxKB/releases/tag/v2.10.6-lts"],"weaknesses":["CWE-693"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/79xxx/CVE-2026-79918.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-79918","state":"PUBLISHED","datePublished":"2026-09-21T20:47:13.575Z","dateUpdated":"2026-09-24T22:46:09.086Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-25T14:59:32.746Z"},"containers":{"cna":{"title":"MaxKB: Sandbox escape via unhooked fexecve","descriptions":[{"lang":"en","value":"MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, the ToolExecutor LD_PRELOAD sandbox hooks execve, execvpe, and execveat to prevent subprocess creation but does not hook fexecve. An authenticated attacker able to execute tool code can call fexecve to start a process outside the sandbox's intended subprocess policy. This issue is fixed in version 2.10.6-lts."}],"affected":[{"vendor":"1Panel-dev","product":"MaxKB","versions":[{"version":"< 2.10.6-lts","status":"affected"}]}],"references":[{"url":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-9mh9-v949-fwqh","name":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-9mh9-v949-fwqh","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/1Panel-dev/MaxKB/commit/6fa7947a85030b87977c4026f33af11ca10dd1e6","name":"https://github.com/1Panel-dev/MaxKB/commit/6fa7947a85030b87977c4026f33af11ca10dd1e6","tags":["x_refsource_MISC"]},{"url":"https://github.com/1Panel-dev/MaxKB/releases/tag/v2.10.6-lts","name":"https://github.com/1Panel-dev/MaxKB/releases/tag/v2.10.6-lts","tags":["x_refsource_MISC"]}],"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-693","lang":"en","description":"CWE-693: Protection Mechanism Failure","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-21T20:47:13.575Z"},"source":{"advisory":"GHSA-9mh9-v949-fwqh","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-24T22:45:51.318278Z","id":"CVE-2026-79918","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":"2026-09-24T22:46:09.086Z"}}]}}}