{"id":"CVE-2026-115812","aliases":["EUVD-2026-109111","GHSA-3v4f-xjg3-3j32"],"status":"published","title":"Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server","description":"Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server 1.1.11 and earlier might allow remote actors to execute arbitrary code via a crafted model archive.\n\n\n\nMulti Model Server is end of life and no fixed version is available. Users should discontinue use of Multi Model Server and migrate to a supported model serving solution.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00529,"percentile":0.45245,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-23"],"published":"2026-10-23T17:33:53Z","modified":"2026-11-02T14:17:36Z","products":[{"vendor":"aws","product":"multi-model-server"}],"references":[{"url":"https://aws.amazon.com/security/security-bulletins/2026-148-aws/","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115812"},{"url":"https://aws.amazon.com/security/security-bulletins/2026-148-aws"},{"url":"https://github.com/advisories/GHSA-3v4f-xjg3-3j32"}],"sources":{"cve":[{"id":"CVE-2026-115812","title":"Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server","description":"Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server 1.1.11 and earlier might allow remote actors to execute arbitrary code via a crafted model archive.\n\n\n\nMulti Model Server is end of life and no fixed version is available. Users should discontinue use of Multi Model Server and migrate to a supported model serving solution.","status":"published","published":"2026-10-23T17:33:53.542Z","modified":"2026-11-02T13:36:07.033Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T18:00:08.034842Z"}],"euvd":[{"id":"EUVD-2026-109111","description":"Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server 1.1.11 and earlier might allow remote actors to execute arbitrary code via a crafted model archive.\n\n\n\nMulti Model Server is end of life and no fixed version is available. Users should discontinue use of Multi Model Server and migrate to a supported model serving solution.","status":"published","published":"2026-10-23T17:33:53Z","modified":"2026-11-02T13:36:07Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T16:58:45.261111Z"}],"ghsa":[{"id":"GHSA-3v4f-xjg3-3j32","title":"Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server...","description":"Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server 1.1.11 and earlier might allow remote actors to execute arbitrary code via a crafted model archive.\n\n\n\nMulti Model Server is end of life and no fixed version is available. Users should discontinue use of Multi Model Server and migrate to a supported model serving solution.","status":"published","published":"2026-10-23T18:31:39Z","modified":"2026-10-23T18:31:45Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T15:14:20.113334Z"}],"nvd":[{"id":"CVE-2026-115812","description":"Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server 1.1.11 and earlier might allow remote actors to execute arbitrary code via a crafted model archive.\n\n\n\nMulti Model Server is end of life and no fixed version is available. Users should discontinue use of Multi Model Server and migrate to a supported model serving solution.","status":"published","published":"2026-10-23T18:17:21.46Z","modified":"2026-11-02T14:17:36.07Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T20:51:42.579129Z"}]}}