# CVE-2026-119083: GluonTS arbitrary file write during archive extraction

Status: published. Published: 2026-11-05. Updated: 2026-11-05.

Path traversal in the archive extraction utility in GluonTS before 0.17.0 might allow an actor who supplies a crafted tar archive to write arbitrary files outside the intended extraction directory with the privileges of the extracting process via symbolic or hard links contained in the archive.



To remediate this issue, users should upgrade to version 0.17.0 or later.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: AMZN) — https://github.com/awslabs/gluonts/releases/tag/v0.17.0

## Affected products and versions

- AWS / gluonts: ≥ 0; < 0.17.0 (affected, custom). Source: CNA: AMZN

## Severity and prioritization

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: CNA: AMZN

- CVSS 4.0: 8.4 (high); CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N; source: CNA: AMZN

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-22

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/awslabs/gluonts/releases/tag/v0.17.0 (CNA: AMZN; release-notes, patch)

- https://aws.amazon.com/security/security-bulletins/2026-171-aws/ (CNA: AMZN; vendor-advisory)

- https://github.com/awslabs/gluonts/security/advisories/GHSA-rg2m-55pr-vp3q (CNA: AMZN; third-party-advisory)

## Provenance

- CNA: AMZN: https://www.cve.org/CVERecord?id=CVE-2026-119083; retrieved 2026-11-05; source updated 2026-11-05

Revision: f70dd53677202afdae7ba10c47745cd322cea2746cde2baea3b13d64c6e246f7

Canonical: https://y2.dev/cve/CVE-2026-119083

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