GHSA-j7h9-2jh7-g967: mcp-ssh-tool has file transfer path policy bypass and bearer token comparison hardening

May 7, 2026 (updated August 16, 2026)

mcp-ssh-tool has released version 2.1.1 with security hardening for transfer path authorization and HTTP bearer authentication.

The release addresses:

insufficient local path policy enforcement in transfer-related filesystem handling
incomplete canonicalization and segment-boundary handling for deny-prefix path policy checks
non-constant-time HTTP bearer token comparison

References

github.com/advisories/GHSA-j7h9-2jh7-g967
github.com/oaslananka/mcp-ssh-tool/security/advisories/GHSA-j7h9-2jh7-g967

Code Behaviors & Features

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