CVE-2026-26954— SandboxJS has a Sandbox Escape
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-26954
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
SandboxJS has a Sandbox Escape
Source: NVD (National Vulnerability Database)
Vulnerability Description
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.34, it is possible to obtain arrays containing Function, which allows escaping the sandbox. Given an array containing Function, and Object.fromEntries, it is possible to construct {[p]: Function} where p is any constructible property. This vulnerability is fixed in 0.8.34.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
SandboxJS 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SandboxJS是nyariv个人开发者的一个安全评估软件。 SandboxJS 0.8.34之前版本存在代码注入漏洞，该漏洞源于可能获取包含Function的数组，可能导致沙箱逃逸。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
II. Public POCs for CVE-2026-26954
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-26954
请登录查看更多情报信息。
Advisory · 1
- Sandbox Escape · Advisory · nyariv/SandboxJS · GitHubx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-26954
IV. Related Vulnerabilities
Same product: SandboxJS
- CVE-2026-34217
SandboxJS has a Sandbox Escape via Prop Object Leak in New H - CVE-2026-34211
SandboxJS: Stack overflow DoS via deeply nested expressions - CVE-2026-34208
SandboxJS: Sandbox integrity escape - CVE-2026-32723
SandboxJS timers have an execution-quota bypass (cross-sandb - CVE-2026-25881
@nyariv/sandboxjs has host prototype pollution from sandbox
Same vendor: nyariv
- CVE-2026-34217
SandboxJS has a Sandbox Escape via Prop Object Leak in New H - CVE-2026-34211
SandboxJS: Stack overflow DoS via deeply nested expressions - CVE-2026-34208
SandboxJS: Sandbox integrity escape - CVE-2026-32723
SandboxJS timers have an execution-quota bypass (cross-sandb - CVE-2026-25881
@nyariv/sandboxjs has host prototype pollution from sandbox
Same weakness: CWE-94
- CVE-2018-25320
ACL Analytics 11.x - 13.0.0.579 Arbitrary Code Execution - CVE-2021-47952
python jsonpickle 2.0.0 Remote Code Execution via py/repr - CVE-2021-47964
Schlix CMS 2.2.6-6 Remote Code Execution via core.blockmanag - CVE-2026-44717
MCP Calculate Server: Prompt Injection to RCE - CVE-2026-41258
OpenMRS: Stored Velocity SSTI to RCE via ConceptReferenceRan
V. Comments for CVE-2026-26954
No comments yet