Hi,

The following vulnerability was published for onnx.

CVE-2026-27489[0]:
| Open Neural Network Exchange (ONNX) is an open standard for machine
| learning interoperability. Prior to version 1.21.0, a path traversal
| vulnerability via symlink allows to read arbitrary files outside
| model or user-provided directory. This issue has been patched in
| version 1.21.0.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-27489
https://www.cve.org/CVERecord?id=CVE-2026-27489
[1] https://github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73
[2] https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore