CVE-2026-73411

{"id": "CVE-2026-73411", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73411", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-12T20:36:06.283575Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/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": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "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": "2026-08-12T20:17:56.053", "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-q53c-4prm-w95q", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-116"}, {"lang": "en", "value": "CWE-200"}]}], "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/unix/dash.js fails to escape ~ after : or = when applications use the escape or escapeAll APIs on Unix with shell set to dash, or with shell set to true when Dash is the default, and interpolate the result into an assignment prefixed to a command. An attacker who controls the input can supply a value such as :~ to disclose the home-directory path and may change the location on which the command operates. 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/unix/dash.js no logra escapar ~ despu\u00e9s de : o = cuyo las aplicaciones usan las API escape o escapeAll en Unix con el shell configurado como dash, o con el shell configurado como true cuyo Dash es el predeterminado, e interpolan el resultado en una asignaci\u00f3n prefijada a un comyo. Un atacante que controla la entrada puede proporcionar un valor como :~ para revelar la ruta del directorio de inicio y puede cambiar la ubicaci\u00f3n en la que opera el comyo. Este problema est\u00e1 solucionado en las versiones 2.1.14 y 3.0.1."}], "lastModified": "2026-10-24T15:10:00.190", "sourceIdentifier": "security-advisories@github.com"}