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TI-2021-18647 Aliases CVE-2021-42139GHSA-5p33-p2v6-hj8p

Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.

Priority MEDIUM 46CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.

Why it matters now

EPSS 0.0207 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:deno:deno_standard_modules:*:*:*:*:*:*:*:*before 0.107.0Vulnerabledenoland
  • cpe:2.3:a:deno:deno_standard_modules:*:*:*:*:*:*:*:* Versions before 0.107.0 Vulnerable ·denoland

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42139
  2. 2026-10-03 Alias added: GHSA-5p33-p2v6-hj8p

References

Exploit 1

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences