CVE-2026-25520 is a critical vulnerability affecting SandboxJS versions prior to 0.8.29, where improper wrapping of function return values allows attackers to escape the sandbox and execute arbitrary code. With a CVSS score of 10.0, this severe flaw has a network attack vector, low attack complexity, and can lead to complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the high severity warrants immediate patching to version 0.8.29.
| 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
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
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.