CVE-2026-25587 (GCVE-0-2026-25587)

Vulnerability from cvelistv5 – Published: 2026-02-06 19:51 – Updated: 2026-02-06 20:19
VLAI
Title
SandboxJS has a Sandbox Escape
Summary
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, as Map is in SAFE_PROTOYPES, it's prototype can be obtained via Map.prototype. By overwriting Map.prototype.has the sandbox can be escaped. This vulnerability is fixed in 0.8.29.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 20:18 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7711 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
nyariv SandboxJS Affected: < 0.8.29
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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