CVE-2022-25882 Directory Traversal in onnx
An attacker can read arbitrary files outside the model directory by manipulating the external_data field in ONNX tensor protos.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-25882?
CVE-2022-25882 is a high-severity path traversal vulnerability in onnx, published on 25 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Versions of the package onnx before 1.13.0 are vulnerable to Directory Traversal as the external_data field of the tensor proto can have a path to the file which is outside the model current directory or user-provided directory, for example "../../../etc/passwd"
Weakness: CWE-22
Which versions are affected by CVE-2022-25882?
3 open source packages ship an affected version, including onnx. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
onnx PyPI | All versions | 1.13.0 |
onnx PyPI | All versions | 1.13.0 |
onnx PyPI | All versions | 1.13.0 |
Products include Linuxfoundation Onnx.
How do I fix CVE-2022-25882?
Upgrade onnx to 1.13.0 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2022-25882 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-25882 exists.
Other vulnerabilities in onnx
- CVE-2025-51480 Path traversal in n/a
- CVE-2024-5187 Arbitrary File Overwrite in download_model_with_test_data in onnx/onnx
- CVE-2026-27489 ONNX: Path Traversal via Symlink
- CVE-2026-34445 ONNX: Malicious ONNX models can crash servers by exploiting unprotected object settings.
- CVE-2026-28500 ONNX Untrusted Model Repository Warnings Suppressed by silent=True in onnx.hub.load() — Silent Supply-Chain Attack
Sources
Also known as AZL-25854, GHSA-ffxj-547x-5j7c, PYSEC-2023-38, UBUNTU-CVE-2022-25882.