VulnerabilityAnalyzed
CVE-2026-34447
Prior to version 1.21.0, there is a symlink traversal vulnerability in external data loading allows reading files outside the model directory.
MEDIUM 5.5EPSS 0.25%
Does this matter?
Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.
Description
Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is a symlink traversal vulnerability in external data loading allows reading files outside the model directory. This issue has been patched in version 1.21.0.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 0.25% probability · 16th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22, CWE-61
- Affected
- linuxfoundation/onnx
- Source
- security-advisories@github.com
References
- https://github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xjExploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.