Deserialization Vulnerability in Amazon GluonTS Product by AWS
CVE-2026-100308

8.4HIGH

Key Information:

Vendor

Aws

Status
Gluonts
Vendor
CVE Published:
29 September 2026

What is CVE-2026-100308?

A deserialization vulnerability exists in the model loading component of Amazon GluonTS prior to version 0.17.0. This flaw permits context-dependent attackers to execute arbitrary operating system commands by leveraging a crafted serialized model directory. To safeguard against potential exploitation, it is essential for users to upgrade to version 0.17.0 or later.

Affected Version(s)

gluonts 0 < 0.17.0

References

https://github.com/awslabs/gluonts/releases/tag/v0.17.0
patchrelease-notes
https://aws.amazon.com/security/security-bulletins/2026-1...
vendor-advisory
https://github.com/awslabs/gluonts/security/advisories/GH...
third-party-advisory

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Hasp Labs
.