CVE-2026-100308

High

Description

Deserialization of untrusted data in the model loading component in Amazon GluonTS before 0.17.0 might allow context-dependent attackers to execute arbitrary operating system commands with the privileges of the loading process via a crafted serialized model directory. To remediate this issue, users should upgrade to version 0.17.0 or later.

SeverityHigh

CVSS7.8

Exploit probability—

ProductAws Gluonts

PublishedSep 29, 2026

First seenSep 29, 2026

Weakness typeCWE-502Deserialization of untrusted data CWE-470CWE-470

How to fix

Update

AWS gluonts0.17.0 or later

Patches

github.com/awslabs/gluonts/releases/tag/v0.17.0

Vendor advisories

aws.amazon.com/security/security-bulletins/2026-119-aws/

Affected products

Product	Affected versions	Fixed in
AWS gluonts	v < 0.17.0	0.17.0

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