CVE-2026-73414

{"id": "CVE-2026-73414", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73414", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-14T22:11:19.562894Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "ericcornelissen", "product": "shescape", "versions": [{"status": "affected", "version": "< 2.1.14"}, {"status": "affected", "version": ">= 3.0.0, < 3.0.1"}]}]}], "published": "2026-08-12T20:17:56.510", "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"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-78"}, {"lang": "en", "value": "CWE-150"}]}], "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 \u2019(\u2019 y \u2019)\u2019 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 construcci\u00f3n CMD entre par\u00e9ntesis e inyectar sintaxis de shell dependiendo del comyo original, lo que resulta en la ejecuci\u00f3n arbitraria de comyos. Este problema se solucion\u00f3 en las versiones 2.1.14 y 3.0.1."}], "lastModified": "2026-10-24T15:10:00.190", "sourceIdentifier": "security-advisories@github.com"}