CVE-2026-25587

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Source
https://cve.org/CVERecord?id=CVE-2026-25587
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25587.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-25587
Aliases
Published
2026-02-06T19:51:56.208Z
Modified
2026-07-15T01:49:00.900524565Z
Severity
  • 10.0 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
SandboxJS has a Sandbox Escape
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25587.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-94"
    ]
}
References

Affected packages

Git / github.com/nyariv/sandboxjs

Affected ranges

Type
GIT
Repo
https://github.com/nyariv/sandboxjs
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
67cb186c41c78c51464f70405504e8ef0a6e43c3
Database specific 
{
    "cpe": "cpe:2.3:a:nyariv:sandboxjs:*:*:*:*:*:node.js:*:*",
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.8.29"
        }
    ]
}

Affected versions

0.*
0.5.0
0.5.2
0.5.3
0.6.0
0.6.1
0.6.2
0.7.0
0.7.1
0.8.0
0.8.10
0.8.11
0.8.12
0.8.14
0.8.15
0.8.15.1
0.8.16
0.8.17
0.8.18
0.8.19
0.8.2
0.8.20
0.8.21
0.8.22
0.8.23
0.8.23-1
0.8.23.2
0.8.23.3
0.8.24
0.8.24-1
0.8.24-2
0.8.28
0.8.3
0.8.4
0.8.5
0.8.6
0.8.7
0.8.8
0.8.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25587.json"