{"id":"CVE-2026-73414","sourceIdentifier":"security-advisories@github.com","published":"2026-08-12T20:17:56.510","lastModified":"2026-10-24T15:10:00.190","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"Shescape is a simple shell escape library for JavaScript. Prior to 2.1.14 and 3.0.1, getEscapeFunction in src/internal/win/cmd.js does not escape `(` and `)` when applications use the escape or escapeAll APIs on Windows with shell set to cmd.exe, or with shell set to true when CMD is the default. An attacker-controlled argument can break out of a parenthesized CMD construct and inject shell syntax depending on the original command, resulting in arbitrary command execution. This issue is fixed in versions 2.1.14 and 3.0.1."},{"lang":"es","value":"Shescape es una simple biblioteca de escape de shell para JavaScript. Antes de las versiones 2.1.14 y 3.0.1, getEscapeFunction en src/internal/win/cmd.js no escapa ’(’ y ’)’ cuyo las aplicaciones usan las API escape o escapeAll en Windows con el shell configurado como cmd.exe, o con el shell configurado como true cuyo CMD es el predeterminado. Un argumento controlado por un atacante puede escapar de una construcción CMD entre paréntesis e inyectar sintaxis de shell dependiendo del comyo original, lo que resulta en la ejecución arbitraria de comyos. Este problema se solucionó en las versiones 2.1.14 y 3.0.1."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"ericcornelissen","product":"shescape","versions":[{"version":"< 2.1.14","status":"affected"},{"version":">= 3.0.0, < 3.0.1","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":9.2,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-14T22:11:19.562894Z","id":"CVE-2026-73414","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-78"},{"lang":"en","value":"CWE-150"}]}],"references":[{"url":"https://github.com/ericcornelissen/shescape/commit/43d70b59d09bbe5c3fd02ef08b3a123e977ed9de","source":"security-advisories@github.com"},{"url":"https://github.com/ericcornelissen/shescape/commit/b4b34c394e7f9da2775bb75381066b9a228c425f","source":"security-advisories@github.com"},{"url":"https://github.com/ericcornelissen/shescape/pull/2649","source":"security-advisories@github.com"},{"url":"https://github.com/ericcornelissen/shescape/pull/2651","source":"security-advisories@github.com"},{"url":"https://github.com/ericcornelissen/shescape/releases/tag/v2.1.14","source":"security-advisories@github.com"},{"url":"https://github.com/ericcornelissen/shescape/releases/tag/v3.0.1","source":"security-advisories@github.com"},{"url":"https://github.com/ericcornelissen/shescape/security/advisories/GHSA-w4hw-qcx7-56pr","source":"security-advisories@github.com"}]}