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CVE-2026-93858

OpenStack / Mistral PUBLISHED

Description (CNA)

In OpenStack Mistral through 23.0.0, the std.ssh_proxied action passes a caller-supplied proxy_command value directly to paramiko.ProxyCommand() before any SSH connection to a gateway or target host is attempted. An authenticated project member can use the standard action-execution API to submit an arbitrary local command as proxy_command; paramiko starts that command as a subprocess on the executor host under the executor's own service account, independent of whether the SSH connection itself ever succeeds. Only Mistral deployments that permit the std.ssh_proxied action, the default configuration, are affected.

Affected (CNA)

Vendor / productVersions
OpenStack / Mistralaffected 0 before 20.1.1; affected 21.0.0 before 21.0.1; affected 22.0.0 before 22.0.1; affected 23.0.0

CWE

CWE-78

References

ADP enrichment

CISA-ADP

No English description supplied.