HighVulnerability

CVE-2024-27318: onnx directory traversal through the external_data field of tensor proto

Source: NVD(opens in a new tab)
Identifier: CVE-2024-27318
Published: February 23, 2024
Record updated: October 9, 2026

Affected: onnx <= 1.15.0
Fixed in: 1.16.0
released March 25, 2024, 31 days after disclosure
Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 1.2%

Summary

CVE-2024-27318 affects the onnx package in versions before and including 1.15.0. The external_data field of a tensor proto can point to a file outside the model's current directory or a user-provided directory, which is Directory Traversal (CWE-22). The flaw is a bypass of the patch added for CVE-2022-25882.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 7.5(high)
Patch available: Yes
EPSS: 1.2%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.

Weaknesses and techniques

Weakness (CWE): CWE-22
CWE-22
Attack pattern (CAPEC): CAPEC-126

Affected

Packages: onnx@<= 1.15.0 (fixed: 1.16.0)
Vendors: HuggingFace

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Model
Impact: Confidentiality,
Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2024-27318

First tracked: February 15, 2026 at 08:44 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

onnxPyPINo LLM dependency detected · 18 tracked dependents

Summary

Mitigation

Affected packages in the Exposure Registry

Related items