---
cve: "CVE-2026-115812"
severity: "CRITICAL"
cvss: 9.3
epss: "0.5%"
vendor: "aws"
kev: false
exploited: false
published: "2026-10-23 18:17:21"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-29T05:21:16+01:00"
---

# CVE-2026-115812

> 9.3 CRITICAL

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **AMZN**
- State: PUBLISHED
- Stand: 2026-10-23 17:33:53
- CNA-CVSS: **9.8** (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Schwachstellen-Klasse

- **CWE-23** — Relative Path Traversal
  The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.

## Angriffsmuster (CAPEC)

- [CAPEC-76 — Manipulating Web Input to File System Calls](https://capec.mitre.org/data/definitions/76.html) _(Severity: Very High)_
- [CAPEC-139 — Relative Path Traversal](https://capec.mitre.org/data/definitions/139.html) _(Severity: High)_

## Referenzen

- <https://aws.amazon.com/security/security-bulletins/2026-148-aws/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-115812/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_