CVE-2026-25586

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty on a sandbox object, which disables prototype whitelist enforcement in the property-access path. This permits direct access to proto and other blocked prototype properties,...

CVE-2026-25586

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty on a sandbox object, which disables prototype whitelist enforcement in the property-access path. This permits direct access to proto and other blocked prototype properties,...

CVE-2026-25586

SandboxJS (JavaScript sandboxing library) is affected by a sandbox-escape vulnerability prior to version 0.8.29. The flaw allows shadowing hasOwnProperty on a sandbox object, disabling prototype whitelist enforcement in the property-access path. This enables direct access to proto and other block...

CVE-2026-25586 SandboxJS has a Sandbox Escape via Prototype Whitelist Bypass and Host Prototype Pollution

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty on a sandbox object, which disables prototype whitelist enforcement in the property-access path. This permits direct access to proto and other blocked prototype properties,...

CVE-2026-25586 SandboxJS has a Sandbox Escape via Prototype Whitelist Bypass and Host Prototype Pollution

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty on a sandbox object, which disables prototype whitelist enforcement in the property-access path. This permits direct access to proto and other blocked prototype properties,...

EUVD-2026-5591

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped. Object.values/Object.entries can be used to get an Array containing the host's Function constructor, by using Array.prototype.at you can obtain the hosts Function constructor, which can b...

CVE-2026-25520

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped. Object.values/Object.entries can be used to get an Array containing the host's Function constructor, by using Array.prototype.at you can obtain the hosts Function constructor, which can b...

CVE-2026-25520 SandboxJS has a Sandbox Escape

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped. Object.values/Object.entries can be used to get an Array containing the host's Function constructor, by using Array.prototype.at you can obtain the hosts Function constructor, which can b...

CVE-2026-25520

CVE-2026-25520 affects SandboxJS (JavaScript sandboxing library) prior to version 0.8.29. The underlying issue is that function return values aren’t wrapped, allowing attackers to use Object.values/Object.entries and Array.prototype.at to retrieve the host’s Function constructor. With access to t...

CVE-2026-25520 SandboxJS has a Sandbox Escape

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped. Object.values/Object.entries can be used to get an Array containing the host's Function constructor, by using Array.prototype.at you can obtain the hosts Function constructor, which can b...

CVE-2026-25520 SandboxJS has a Sandbox Escape

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped. Object.values/Object.entries can be used to get an Array containing the host's Function constructor, by using Array.prototype.at you can obtain the hosts Function constructor, which can b...

CVE-2026-25587 SandboxJS has a Sandbox Escape

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, as Map is in SAFEPROTOYPES, it's prototype can be obtained via Map.prototype. By overwriting Map.prototype.has the sandbox can be escaped. This vulnerability is fixed in 0.8.29...

CVE-2026-25587 SandboxJS has a Sandbox Escape

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, as Map is in SAFEPROTOYPES, it's prototype can be obtained via Map.prototype. By overwriting Map.prototype.has the sandbox can be escaped. This vulnerability is fixed in 0.8.29...

CVE-2026-25587 SandboxJS has a Sandbox Escape

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, as Map is in SAFEPROTOYPES, it's prototype can be obtained via Map.prototype. By overwriting Map.prototype.has the sandbox can be escaped. This vulnerability is fixed in 0.8.29...

CVE-2026-25587

CVE-2026-25587 affects SandboxJS. Prior to 0.8.29, the Map object’s prototype could be leaked via Map.prototype, allowing an attacker to overwrite Map.prototype.has and escape the sandbox. The Red Hat/NVD entries describe this as a sandbox-escape vulnerability with potential for remote code execu...

EUVD-2026-5589

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, there is a sandbox escape vulnerability due to a mismatch between the key on which the validation is performed and the key used for accessing properties. Even though the key used in property accesses is annotated as string, this is...

CVE-2026-25641 SandboxJS has a sandbox escape via TOCTOU bug on keys in property accesses

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, there is a sandbox escape vulnerability due to a mismatch between the key on which the validation is performed and the key used for accessing properties. Even though the key used in property accesses is annotated as string, this is...

CVE-2026-25641 SandboxJS has a sandbox escape via TOCTOU bug on keys in property accesses

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, there is a sandbox escape vulnerability due to a mismatch between the key on which the validation is performed and the key used for accessing properties. Even though the key used in property accesses is annotated as string, this is...

SandboxJS 安全漏洞

SandboxJS is a security assessment tool developed by nyariv’s individual developer. Versions of SandboxJS prior to 0.8.29 contained security vulnerabilities; these vulnerabilities stemmed from unboxed function return values, which could allow arbitrary code to be executed outside of the sandbox...

SandboxJS 安全漏洞

SandboxJS is a security assessment tool developed by nyariv. Versions of SandboxJS prior to 0.8.29 contained a security vulnerability that could lead to sandbox escape by overriding Map.prototype.has...