CVE-2026-42851

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{"affected": [{"affectedData": [{"product": "kitty", "vendor": "kovidgoyal", "versions": [{"status": "affected", "version": "< 0.47.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:kovidgoyal:kitty:*:*:*:*:*:*:*:*", "matchCriteriaId": "F5F5CC5E-DE6C-4B63-BE58-D083F148C37B", "versionEndExcluding": "0.47.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.0, a program able to write bytes to a kitty terminal \u2014 a remote SSH peer, a downloaded file viewed with `cat`, a log line, an email body rendered in `less`, an issue body in a TUI, etc. \u2014 can cause kitty to execute attacker-supplied Python inside the running kitty process, with the user's full privileges. There is no approval prompt, no remote-control permission requirement, no shell-integration interaction, no clipboard touch, and no editor interaction. Version 0.47.0 fixes the issue."}, {"lang": "es", "value": "Kitty es un terminal multiplataforma basado en GPU. En versiones anteriores a la 0.47.0, un programa capaz de escribir bytes en un terminal kitty - un par SSH remoto, un archivo descargado visto con \u2019cat\u2019, una l\u00ednea de registro, un cuerpo de correo electr\u00f3nico renderizado en \u2019less\u2019, un cuerpo de incidencia en una TUI, etc. - puede hacer que kitty ejecute Python suministrado por el atacante dentro del proceso kitty en ejecuci\u00f3n, con los privilegios completos del usuario. No hay solicitud de aprobaci\u00f3n, ning\u00fan requisito de permiso de control remoto, ninguna interacci\u00f3n de integraci\u00f3n de shell, ning\u00fan acceso al portapapeles y ninguna interacci\u00f3n con el editor. La versi\u00f3n 0.47.0 corrige el problema."}], "id": "CVE-2026-42851", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"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": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42851", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-16T03:56:02.774347Z", "version": "2.0.3"}}]}, "published": "2026-06-12T20:16:45.420", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/kovidgoyal/kitty/security/advisories/GHSA-w98g-hpvr-r332"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.47.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "kitty", "source": "cna", "vendor": "kovidgoyal"}, "product": "kitty", "vendor": "kovidgoyal"}], "created": "2026-06-12T21:30:07.367121+00:00", "updated": "2026-06-12T22:00:20.687319+00:00", "vendors": ["kovidgoyal", "kovidgoyal$PRODUCT$kitty"]}