CVE-2026-115812

Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server

Published Oct 23, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.



Multi 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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. Multi 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.
Title Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server
First Time appeared Aws
Aws multi-model-server
Weaknesses CWE-23
CPEs cpe:2.3:a:aws:multi-model-server:*:*:*:*:*:*:*:*
Vendors & Products Aws
Aws multi-model-server
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMZN
Published
Updated
Nov 2, 2026, 1:36 PM
Reserved
Oct 23, 2026, 4:08 PM
Status
Awaiting Analysis
Published
Oct 23, 2026, 6:17 PM
Modified
Nov 2, 2026, 2:17 PM