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CVE-2026-55832

6.1 · MEDIUM

Tract is a tiny, no-nonsense, self-contained TensorFlow and ONNX inference toolkit.

Published Sep 14, 2026CWE-22EPSS 0.19%

Overview

CVE-2026-55832 is a medium-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Tract is a tiny, no-nonsense, self-contained TensorFlow and ONNX inference toolkit. Prior to 0.21.17, 0.22.3, and 0.23.2, the tract-onnx crate passes the attacker-controlled external_data location from an ONNX model through onnx/src/tensor.rs get_external_resources and joins the value to the model directory without rejecting absolute paths or parent directory components. Loading an untrusted model through model_for_path can therefore make onnx/src/data_resolver.rs MmapDataResolver open an arbitrary local file and place the file contents into model tensors or inference output. Attacker-controlled offset and length fields can also select an out-of-range mapping slice and cause a denial of service, but the flaw does not write files or execute code. This issue is fixed in versions 0.21.17, 0.22.3, and 0.23.2.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/sonos/tract/commit/5f994bcf3cec9b343830a975fedce177f9190d0fGitHubgithub.com/sonos/tract/commit/85f4fac23e43d417782e8ed9f9465be8474f5c98GitHubgithub.com/sonos/tract/commit/8fdacbd7abe4e6f929cadfe52e7f69e2227c0632GitHubgithub.com/sonos/tract/releases/tag/0.21.17GitHubgithub.com/sonos/tract/releases/tag/0.22.3GitHubgithub.com/sonos/tract/releases/tag/v0.23.2GitHubgithub.com/sonos/tract/security/advisories/GHSA-h668-6x6g-f8r5GitHubgithub.com/sonos/tract/security/advisories/GHSA-h668-6x6g-f8r5

How CyberStrike helps

Frequently asked questions

What is CVE-2026-55832?

CVE-2026-55832 is a medium-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2026-55832?

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-55832?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-55832?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-55832 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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