Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
GHSA-p433-9wv8-28xj: ONNX versions before 1.21.0 are affected by a symlink traversal flaw in external data loading. A model whose external data path resolves to a symlink pointing to a file outside the model directory can cause that outside file to be read, exposing its contents. Upgrade onnx to version 1.21.0 or later.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 5.5 | Medium | 3.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0026, the 17th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:34 UTC First seen by agentprime
- 31 Oct 2026, 14:34 UTC Confirmed by OSV