{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-73414", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-12T14:32:11.795Z", "datePublished": "2026-08-12T19:42:55.520Z", "dateUpdated": "2026-08-14T22:11:29.290Z" }, "containers": { "cna": { "title": "Shescape: Shell injection via unescaped parentheses on Windows with CMD", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-150", "lang": "en", "description": "CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.2, "baseSeverity": "CRITICAL", "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", "version": "4.0" } } ], "references": [ { "name": "https://github.com/ericcornelissen/shescape/security/advisories/GHSA-w4hw-qcx7-56pr", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/ericcornelissen/shescape/security/advisories/GHSA-w4hw-qcx7-56pr" }, { "name": "https://github.com/ericcornelissen/shescape/pull/2649", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/ericcornelissen/shescape/pull/2649" }, { "name": "https://github.com/ericcornelissen/shescape/pull/2651", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/ericcornelissen/shescape/pull/2651" }, { "name": "https://github.com/ericcornelissen/shescape/commit/43d70b59d09bbe5c3fd02ef08b3a123e977ed9de", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/ericcornelissen/shescape/commit/43d70b59d09bbe5c3fd02ef08b3a123e977ed9de" }, { "name": "https://github.com/ericcornelissen/shescape/commit/b4b34c394e7f9da2775bb75381066b9a228c425f", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/ericcornelissen/shescape/commit/b4b34c394e7f9da2775bb75381066b9a228c425f" }, { "name": "https://github.com/ericcornelissen/shescape/releases/tag/v2.1.14", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/ericcornelissen/shescape/releases/tag/v2.1.14" }, { "name": "https://github.com/ericcornelissen/shescape/releases/tag/v3.0.1", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/ericcornelissen/shescape/releases/tag/v3.0.1" } ], "affected": [ { "vendor": "ericcornelissen", "product": "shescape", "versions": [ { "version": "< 2.1.14", "status": "affected" }, { "version": ">= 3.0.0, < 3.0.1", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-12T19:42:55.520Z" }, "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." } ], "source": { "advisory": "GHSA-w4hw-qcx7-56pr", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-14T22:11:19.562894Z", "id": "CVE-2026-73414", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-14T22:11:29.290Z" } } ] } }