CVE-2026-119287

Zuke is a code-first, strongly typed build automation system for Deno. Prior to 1.51.0, the @zuke/core MCP registry mode accepts command-form registry descriptors without applying the ZUKE_REGISTRY_LAUNCH_HOSTS authorization enforced for remote module descriptors. When zuke mcp --registry --allow-run reads a registry writable by another party and a run-capable caller invokes the affected tool, the registry writer can choose the program and arguments executed with the operator's environment and workspace access. The --allow-run and --protect name globs do not contain the issue because the descriptor supplies those names, and the optional destructive confirmation displays a description controlled by the same writer. The local default registry populated only through zuke register is not affected because that command writes module-form descriptors. This issue is fixed in version 1.51.0.

• CWE-862

• https://github.com/zuke-build/zuke/commit/4257b0bc5ef5e387a44f913349646d4baccd1654
• https://github.com/zuke-build/zuke/pull/542
• https://github.com/zuke-build/zuke/releases/tag/core-v1.51.0
• https://github.com/zuke-build/zuke/security/advisories/GHSA-2rmh-5cw4-33gr

Published

Oct 30, 2026

Last Modified

Oct 30, 2026

Status

Deferred

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