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CVE-2026-25142

CRITICAL
10.0
CVSS 3.1
Description
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__ which can be used to obtain prototypes, which can be used for escaping the sandbox / remote code execution. This vulnerability is fixed in 0.8.27.

Metadata

CVE ID
CVE-2026-25142
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-01-29 15:39 UTC
Published
2026-02-02 22:51 UTC
Last updated
2026-02-04 16:53 UTC
Primary CWE
CWE-94
CWE-94: Improper Control of Generation of Code ('Code Inject…
Vendor / Product
nyariv / SandboxJS
Sources
cve.org  ·  NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
nyariv SandboxJS — < 0.8.27
Weakness (CWE)
CWESourceDescription
CWE-94 cna CWE-94: Improper Control of Generation of Code ('Code Injection')
CVSS scores (1)
ScoreSeverityVersionSourceVector
10.0 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References (3)
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