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CVE-2026-25520: Improper Neutralization of Special Elements in Output Used by a Downstream Component

🗓️ 06 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unauthenticated arbitrary code execution in SandboxJS before 0.8.29 via Function constructor.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-25520
6 Feb 202619:53
–attackerkb
circl
Circl
CVE-2026-25520
5 Feb 202617:33
–circl
cnnvd
CNNVD
SandboxJS 安全漏洞
6 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-25520
6 Feb 202619:53
–cve
cvelist
Cvelist
CVE-2026-25520 SandboxJS has a Sandbox Escape
6 Feb 202619:53
–cvelist
euvd
EUVD
EUVD-2026-5591
6 Feb 202619:53
–euvd
euvd
EUVD
EUVD-2026-6093
16 Feb 202612:30
–euvd
github
Github Security Blog
@nyariv/sandboxjs has a Sandbox Escape issue
5 Feb 202620:41
–github
nvd
NVD
CVE-2026-25520
6 Feb 202620:16
–nvd
osv
OSV
GHSA-58JH-XV4V-PCX4 @nyariv/sandboxjs has a Sandbox Escape issue
5 Feb 202620:41
–osv
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18 Feb 2026 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.110
EPSS0.00814
SSVC
0