# CVE-2026-115812: Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server

> CVE-2026-115812: Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server. CVSS 9.8 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-115812
Last updated: 2026-10-23T19:23:01Z

- Published: 2026-10-23 17:33 UTC · Updated: 2026-10-23 19:23 UTC · Assigner: AMZN
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 0.53%, 44th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-23

## 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.

## Affected vendors and products

- AWS: multi-model-server

## Tracked companies

- [Amazon Web Services](https://rewindex.com/company/aws.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-115812)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-115812)
- [https://aws.amazon.com/security/security-bulletins/2026-148-aws/](https://aws.amazon.com/security/security-bulletins/2026-148-aws/)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-115812 · Markdown: https://rewindex.com/cve/CVE-2026-115812.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-115812 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:13:29.234Z