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Back to active CVEs
High · CVSS 8.0CVE-2026-119287

Zuke: Command-form registry descriptors bypass the MCP launch policyCVE-2026-119287

Answer in brief

CVE-2026-119287 records a High severity (CVSS 8.0) vulnerability in Zuke: Command-form registry descriptors bypass the MCP launch policy. The current sources do not mark it as known exploited. The current feed maps zuke-build/zuke (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 30, 2026Updated Oct 30, 2026Source checked Oct 30, 2026First seen by HOL Oct 30, 2026Material review Oct 30, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.0
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps zuke-build/zuke (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
zuke-build/zukegeneric<1.51.01.51.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for zuke-build/zuke.
  2. 2Review the reported fix. Update zuke-build/zuke to 1.51.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 30, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 30, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 30, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Zuke: Resolved secret() values are written to GITHUB_STEP_SUMMARY in the clear, disclosing them to anyone who can view the workflow runSame zuke-build/zuke package
  • zuke setup and zuke import follow symbolic links planted at scaffold names, allowing writes outside the target directorySame zuke-build/zuke package
  • Email Templates Customizer and Designer for WordPress and WooCommerce <= 1.5.14 - Missing Authorization to Unauthenticated Order PII Disclosure via 'preview_order' ParameterAlso CWE-862
  • OpenStation: Desktop Windows, Dock & Virtual Desktops for WP Admin <= 1.1.16 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Placement Modification and Entity Metadata Disclosure via PATCH /files/placements/<id> on orphaned placementsAlso CWE-862
  • WordPress The Events Calendar plugin <= 6.18.2 - Broken Access Control vulnerabilityAlso CWE-862
  • Meow Gallery <= 5.5.4 - Missing Authorization to Authenticated (Author+) Information Disclosure via fetch_posts REST EndpointAlso CWE-862

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-862
Source
CVE List V5
Source checked
Oct 30, 2026
References
4 linked sources
Open source record