CRITICAL9.9
PYSEC-2026-3486
OpenStack Mistral allows Arbitrary Remote Code Execution when the API is exposed
Quick fix
PYSEC-2026-3486 — mistral: upgrade to the fixed version with the command below.
pip install --upgrade 'mistral>=20.1.1'Details
OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.
Are you affected?
Enter the version of the package you're using.
Affected packages
PyPI/mistral
No fixed version published yet for mistral (pip). Pin to a known-safe version or switch to an alternative.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-41283[ADVISORY]
- https://access.redhat.com/security/cve/CVE-2026-41283[WEB]
- https://bugzilla.redhat.com/show_bug.cgi?id=2484607[WEB]
- https://github.com/openstack/mistral[PACKAGE]
- https://github.com/openstack/mistral/tags[WEB]
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41283.json[WEB]
- https://security.openstack.org/ossa/OSSA-2026-020.html[WEB]
- https://www.openwall.com/lists/oss-security/2026/06/03/14[WEB]
- http://www.openwall.com/lists/oss-security/2026/06/03/14[WEB]
- https://pypi.org/project/mistral[PACKAGE]
- https://github.com/advisories/GHSA-9hfw-w3f4-c4p8[ADVISORY]