CVE-2026-34208

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, SandboxJS blocks direct assignment to global objects for example Math.random = ..., but this protection can be bypassed through an exposed callable constructor path: this.constructor.calltarget, attackerObject. Because this.constructo...

@afidos/nestjs-event-notifications (>=2.2.1, <=2.2.2), @mieweb/wikigdrive (>=2.15.0, <=2.17.1) +3 more potentially affected by CVE-2026-34217 via @nyariv/sandboxjs (>=0.5.3, <=0.8.25)

@nyariv/sandboxjs NPM version =0.5.3, =2.2.1, =2.15.0, =0.2.0, =11.0.0, =12.0.1 Source cves: CVE-2026-34217 Source advisory: MEND:CVE-2026-34217...

CVE-2026-34217

CVE-2026-34217 (SandboxJS) affects @nyariv/sandboxjs

CVE-2026-34217 SandboxJS has a Sandbox Escape via Prop Object Leak in New Handler

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, a scope modification vulnerability exists in @nyariv/sandboxjs. The vulnerability allows untrusted sandboxed code to leak internal interpreter objects through the new operator, exposing sandbox scope objects in the scope hierarchy to...

CVE-2026-34211 SandboxJS: Stack overflow DoS via deeply nested expressions in recursive descent parser

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, the @nyariv/sandboxjs parser contains unbounded recursion in the restOfExp function and the lispify/lispifyExpr call chain. An attacker can crash any Node.js process that parses untrusted input by supplying deeply nested expressions...

CVE-2026-34211 SandboxJS: Stack overflow DoS via deeply nested expressions in recursive descent parser

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, the @nyariv/sandboxjs parser contains unbounded recursion in the restOfExp function and the lispify/lispifyExpr call chain. An attacker can crash any Node.js process that parses untrusted input by supplying deeply nested expressions...

CVE-2026-34211

The @nyariv/sandboxjs library is vulnerable to a Denial of Service (DoS) attack due to unbounded recursion in the restOfExp function and the lispify/lispifyExpr call chain within the parser (src/parser.ts). An attacker can supply deeply nested expressions, such as ~2000 nested parentheses or arra...

@afidos/nestjs-event-notifications (>=2.2.1, <=2.2.2), @mieweb/wikigdrive (>=2.15.0, <=2.17.1) +3 more potentially affected by CVE-2026-34211 via @nyariv/sandboxjs (>=0.5.3, <=0.8.25)

@nyariv/sandboxjs NPM version =0.5.3, =2.2.1, =2.15.0, =0.2.0, =11.0.0, =12.0.1 Source cves: CVE-2026-34211 Source advisory: MEND:CVE-2026-34211...

@afidos/nestjs-event-notifications (>=2.2.1, <=2.2.2), @mieweb/wikigdrive (>=2.15.0, <=2.17.1) +3 more potentially affected by CVE-2026-34208 via @nyariv/sandboxjs (>=0.5.3, <=0.8.25)

@nyariv/sandboxjs NPM version =0.5.3, =2.2.1, =2.15.0, =0.2.0, =11.0.0, =12.0.1 Source cves: CVE-2026-34208 Source advisory: MEND:CVE-2026-34208...

CVE-2026-34208 SandboxJS: Sandbox integrity escape

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, SandboxJS blocks direct assignment to global objects for example Math.random = ..., but this protection can be bypassed through an exposed callable constructor path: this.constructor.calltarget, attackerObject. Because this.constructo...

SandboxJS security vulnerability

SandboxJS is a security assessment tool developed by nyariv. Versions of SandboxJS prior to 0.8.36 contained a security vulnerability; this vulnerability stemmed from infinite recursion in the parser, which could lead to process crashes...

SandboxJS security vulnerability

SandboxJS is a security assessment tool developed by nyariv. Versions of SandboxJS prior to 0.8.36 contained security vulnerabilities; these vulnerabilities stemmed from the ability to bypass global object protection through constructor paths, potentially allowing modification of host global obje...

SandboxJS security vulnerability

SandboxJS is a security assessment tool developed by nyariv. Versions of SandboxJS prior to 0.8.36 contained security vulnerabilities. These vulnerabilities stemmed from the ability of sandbox code to expose internal interpreter objects, which could lead to modifications within the sandbox’s scop...

CVE-2026-34208: Protection Mechanism Failure

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, SandboxJS blocks direct assignment to global objects for example Math.random = ..., but this protection can be bypassed through an exposed callable constructor path: this.constructor.calltarget, attackerObject. Because this.constructo...

CVE-2026-34211: Uncontrolled Recursion

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, the @nyariv/sandboxjs parser contains unbounded recursion in the restOfExp function and the lispify/lispifyExpr call chain. An attacker can crash any Node.js process that parses untrusted input by supplying deeply nested expressions...

CVE-2026-34217: Exposure of Resource to Wrong Sphere

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, a scope modification vulnerability exists in @nyariv/sandboxjs. The vulnerability allows untrusted sandboxed code to leak internal interpreter objects through the new operator, exposing sandbox scope objects in the scope hierarchy to...

@afidos/nestjs-event-notifications (>=2.2.1, <=2.2.2), @mieweb/wikigdrive (>=2.15.0, <=2.17.1) +3 more potentially affected by CVE-2026-34217 via @nyariv/sandboxjs (>=0.5.3, <=0.8.25)

@nyariv/sandboxjs NPM version =0.5.3, =2.2.1, =2.15.0, =0.2.0, =11.0.0, =12.0.1 Source cves: CVE-2026-34217 Source advisory: OSV:GHSA-HG73-4W7G-Q96W...

Exposure of Resource to Wrong Sphere

Overview @nyariv/sandboxjs is a Javascript sandboxing library. Affected versions of this package are vulnerable to Exposure of Resource to Wrong Sphere in the New handler due to missing sanitization of both constructor arguments and return values. An attacker can access and modify internal...

SandboxJS: Sandbox Escape via Prop Object Leak in New Handler

Description A scope modification vulnerability exists in @nyariv/sandboxjs version 0.8.35 and below. The vulnerability allows untrusted sandboxed code to leak internal interpreter objects through the new operator, exposing sandbox scope objects in the scope hierarchy to untrusted code; an...

@afidos/nestjs-event-notifications (>=2.2.1, <=2.2.2), @mieweb/wikigdrive (>=2.15.0, <=2.17.1) +3 more potentially affected by CVE-2026-34217 via @nyariv/sandboxjs (>=0.5.3, <=0.8.25)

@nyariv/sandboxjs NPM version =0.5.3, =2.2.1, =2.15.0, =0.2.0, =11.0.0, =12.0.1 Source cves: CVE-2026-34217 Source advisory: GHSA-HG73-4W7G-Q96W...