{"id":"CVE-2026-25142","state":"PUBLISHED","title":"SandboxJS Prototype Pollution -> Sandbox Escape -> RCE","description":"SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__ which can be used to obtain prototypes, which can be used for escaping the sandbox / remote code execution. This vulnerability is fixed in 0.8.27.","publishedAt":"2026-02-02T22:51:40.651Z","updatedAt":"2026-02-04T16:53:07.833Z","severity":{"score":10,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["nyariv SandboxJS"],"affected":[{"vendor":"nyariv","product":"SandboxJS","versions":[{"version":"< 0.8.27","status":"affected"}]}],"references":["https://github.com/nyariv/SandboxJS/security/advisories/GHSA-9p4w-fq8m-2hp7","https://github.com/nyariv/SandboxJS/commit/75c8009db32e6829b0ad92ca13bf458178442bd3","https://github.com/nyariv/SandboxJS/blob/f212a38fb5a6d4bc2bc2e2466c0c011ce8d41072/src/executor.ts#L368-L398"],"weaknesses":["CWE-94"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/25xxx/CVE-2026-25142.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25142","state":"PUBLISHED","datePublished":"2026-02-02T22:51:40.651Z","dateUpdated":"2026-02-04T16:53:07.833Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-01-29T15:39:11.820Z"},"containers":{"cna":{"title":"SandboxJS Prototype Pollution -> Sandbox Escape -> RCE","descriptions":[{"lang":"en","value":"SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__ which can be used to obtain prototypes, which can be used for escaping the sandbox / remote code execution. This vulnerability is fixed in 0.8.27."}],"affected":[{"vendor":"nyariv","product":"SandboxJS","versions":[{"version":"< 0.8.27","status":"affected"}]}],"references":[{"url":"https://github.com/nyariv/SandboxJS/security/advisories/GHSA-9p4w-fq8m-2hp7","name":"https://github.com/nyariv/SandboxJS/security/advisories/GHSA-9p4w-fq8m-2hp7","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nyariv/SandboxJS/commit/75c8009db32e6829b0ad92ca13bf458178442bd3","name":"https://github.com/nyariv/SandboxJS/commit/75c8009db32e6829b0ad92ca13bf458178442bd3","tags":["x_refsource_MISC"]},{"url":"https://github.com/nyariv/SandboxJS/blob/f212a38fb5a6d4bc2bc2e2466c0c011ce8d41072/src/executor.ts#L368-L398","name":"https://github.com/nyariv/SandboxJS/blob/f212a38fb5a6d4bc2bc2e2466c0c011ce8d41072/src/executor.ts#L368-L398","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","lang":"en","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-02T22:52:11.849Z"},"source":{"advisory":"GHSA-9p4w-fq8m-2hp7","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-04T15:55:41.355946Z","id":"CVE-2026-25142","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-04T16:53:07.833Z"}}]}}}