CVE-2026-34779

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Prior to versions 38.8.6, 39.8.1, 40.8.0, and 41.0.0-beta.8, on macOS, app.moveToApplicationsFolder() used an AppleScript fallback path that did not properly handle certain characters in the application bundle path. Under specific conditions, a crafted launch path could lead to arbitrary AppleScript execution when the user accepted the move-to-Applications prompt. Apps are only affected if they call app.moveToApplicationsFolder(). Apps that do not use this API are not affected. This issue has been patched in versions 38.8.6, 39.8.1, 40.8.0, and 41.0.0-beta.8."}, {"lang": "es", "value": "Electron es un framework para escribir aplicaciones de escritorio multiplataforma usando JavaScript, HTML y CSS. Antes de las versiones 38.8.6, 39.8.1, 40.8.0 y 41.0.0-beta.8, en macOS, app.moveToApplicationsFolder() usaba una ruta de respaldo de AppleScript que no manejaba correctamente ciertos caracteres en la ruta del paquete de la aplicaci\u00f3n. Bajo condiciones espec\u00edficas, una ruta de lanzamiento manipulada podr\u00eda llevar a la ejecuci\u00f3n arbitraria de AppleScript cuando el usuario aceptaba la solicitud de mover a Aplicaciones. Las aplicaciones solo se ven afectadas si llaman a app.moveToApplicationsFolder(). Las aplicaciones que no usan esta API no se ven afectadas. Este problema ha sido parcheado en las versiones 38.8.6, 39.8.1, 40.8.0 y 41.0.0-beta.8."}], "id": "CVE-2026-34779", "lastModified": "2026-07-24T22:10:00.140", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.5, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-34779", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-07T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-04-04T00:16:19.213", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/electron/electron/security/advisories/GHSA-5rqw-r77c-jp79"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,38.8.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[39.0.0-alpha.1,39.8.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[40.0.0-alpha.1,40.8.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[41.0.0-alpha.1,41.0.0-beta.8)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "electron", "source": "cna", "vendor": "electron"}, "product": "electron", "vendor": "electron"}], "analysis": {"en": {"generated_at": "2026-04-14T21:32:14.046377+00:00", "value": {"mitigation_remediation": ["Update Electron to a patched version (38.8.6, 39.8.1, 40.8.0, or 41.0.0\u2011beta.8 or newer).", "If an update is not possible, remove or disable calls to app.moveToApplicationsFolder() from the application code to eliminate the vulnerable code path.", "Validate and sanitize any application bundle path before invoking the move operation in order to prevent special\u2011character injection."], "summary": {"action": "Patch Electron", "impact": "Code Execution"}, "threat_synthesis": {"affected_systems": "All macOS desktop applications built with Electron that invoke the app.moveToApplicationsFolder() API and are running any of the following pre\u2011patched versions: Electron 38.8.5 or earlier, 39.8.0 or earlier, 40.7.9 or earlier, and 41.0.0\u2011beta.7 or earlier. Applications that do not call this API or that are built with a later, patched release are not affected.", "description_and_impact": "Electron applications that use app.moveToApplicationsFolder() can be impacted on macOS because the fallback AppleScript path does not escape certain characters in the application bundle path. As a result, a crafted launch path can cause the execution of arbitrary AppleScript when the user accepts the move-to\u2011Applications prompt. The impact is that the injected AppleScript runs with the privileges of the user, potentially allowing the attacker to perform actions on the system. The fact that the script runs with user privileges is inferred from the description that it is \u201carbitrary AppleScript execution\u201d triggered by user interaction.", "risk_and_exploitability": "The vulnerability carries a CVSS score of 6.5, indicating moderate severity. The EPSS score is below 1%, which suggests that the probability of exploitation in the wild is low. The vulnerability is not listed in the CISA KEV catalog. Because exploitation requires an attacker to craft a launch path and the user to explicitly accept the move-to\u2011Applications prompt, the attack vector is local and requires user interaction. The overall risk is moderate; therefore, remediation should be prioritized but does not constitute an immediate emergency."}}}}, "created": "2026-04-06T20:27:49.771435+00:00", "updated": "2026-04-15T16:30:09.761347+00:00", "vendors": ["electron", "electron$PRODUCT$electron"]}