Description
PyAnsys Geometry is a Python client library for the Ansys Geometry service and other CAD Ansys products. On file src/ansys/geometry/core/connection/product_instance.py, upon calling this method _start_program directly, users could exploit its usage to perform malicious operations on the current machine where the script is ran. This vulnerability is fixed in 0.3.3 and 0.4.12.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ansys | pyansys-geometry | >= 0.3.0, < 0.3.3, >= 0.4.0, < 0.4.12 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | ansys-geometry-core | >= 0.3.0, < 0.3.3 | 0.3.3 | GHSA-38jr-29fh-w9vm |
| PyPI | ansys-geometry-core | >= 0.4.0, < 0.4.12 | 0.4.12 | GHSA-38jr-29fh-w9vm |
| PyPI | ansys-geometry-core | >= 0.3.0, < 0.3.3 · >= 0.4.0, < 0.4.12 | 0.3.3, 0.4.12 | PYSEC-2026-1127 |
References
- https://github.com/ansys/pyansys-geometry/security/advisories/GHSA-38jr-29fh-w9vm
- https://github.com/ansys/pyansys-geometry/pull/1076
- https://github.com/ansys/pyansys-geometry/pull/1077
- https://github.com/ansys/pyansys-geometry/commit/902071701c4f3a8258cbaa46c28dc0a65442d1bc
- https://github.com/ansys/pyansys-geometry/commit/f82346b9432b06532e84f3278125f5879b4e9f3f
- https://bandit.readthedocs.io/en/1.7.8/plugins/b602_subprocess_popen_with_shell_equals_true.html
- https://github.com/ansys/pyansys-geometry/blob/52cba1737a8a7812e5430099f715fa2160ec007b/src/ansys/geometry/core/connection/product_instance.py#L403-L428