CVE-2026-100308 GluonTS arbitrary command execution during model deserialization
High 8.4
Published
Updated
Check this codebase for CVE-2026-100308 and fix it if it is affected.
What it is: CVE-2026-100308 is a high-severity vulnerability in AWS gluonts, published on 29 Sep 2026.
Exploitation: There is no known exploitation of CVE-2026-100308 in the wild and no public exploit code.
Affected product: AWS gluonts. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-100308/ (Markdown: https://insights.sbomify.com/CVE-2026-100308/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-100308?
CVE-2026-100308 is a high-severity vulnerability in AWS gluonts, published on 29 Sep 2026.
Official 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.
Which versions are affected by CVE-2026-100308?
How do I fix CVE-2026-100308?
No fix has been published for CVE-2026-100308 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-100308 being exploited?
There is no known exploitation of CVE-2026-100308 in the wild and no public exploit code.
Sources
Also known as GHSA-64q6-5qv7-cwj9.