CVE-2026-25641 describes a critical sandbox escape vulnerability in SandboxJS versions prior to 0.8.29, impacting the nyariv sandboxjs library. Attackers can exploit a mismatch between property validation and access keys, allowing malicious objects to bypass security checks and execute arbitrary code. With a CVSS score of 9.0 (CRITICAL), this vulnerability has a network attack vector, high complexity, and can lead to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| 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.
The average CVE in this peer group has 0.0 Twitter, 0.4 Reddit, 1.2 Bluesky, 0.8 Mastodon, and 2.3 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.8 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.