CVE-2026-25587 is a critical vulnerability in the SandboxJS JavaScript sandboxing library, affecting versions prior to 0.8.29. An attacker can escape the sandbox by overwriting Map.prototype.has, leading to complete compromise of confidentiality, integrity, and availability. With a CVSS score of 10.0, this vulnerability is easily exploitable over the network with no user interaction or privileges required. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.8.29CPE matchmatch criteria | cpe:2.3:a:nyariv:sandboxjs:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
No social media mentions found for this CVE.
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No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.