CVE-2026-115812 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-23

References

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

FAQ

What is CVE-2026-115812?

CVE-2026-115812 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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. ...

How severe is CVE-2026-115812?

CVE-2026-115812 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-115812?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.