CVE-2026-25520

CRITICAL

10.0

Description

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped. Object.values/Object.entries can be used to get an Array containing the host's Function constructor, by using Array.prototype.at you can obtain the hosts Function constructor, which can be used to execute arbitrary code outside of the sandbox. This vulnerability is fixed in 0.8.29.

Details CVE

Score CVSS v3.110.0

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/6/2026

Derniere modification2/18/2026

Sourcenvd

Observations honeypot0

Produits affectes

nyariv:sandboxjs

Faiblesses (CWE)

CWE-74

References

https://github.com/nyariv/SandboxJS/commit/67cb186c41c78c51464f70405504e8ef0a6e43c3(security-advisories@github.com)

https://github.com/nyariv/SandboxJS/security/advisories/GHSA-58jh-xv4v-pcx4(security-advisories@github.com)

https://github.com/nyariv/SandboxJS/security/advisories/GHSA-58jh-xv4v-pcx4(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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