Paper/Archive/CVE-2026-115812

CVE-2026-115812

AWS multi-model-server — Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server

EPSS 0.5%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 44.7.447 × 208.9 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

multi-model-server≤ 1.1.11–CNA

Scores by source

AMZN (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AMZN (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

advisoryaws.amazon.com/security/security-bulletins/2026-148-aws