{"id":"CVE-2026-116688","revision":"c2dcad57c97546a180846ecc40e34ae9","records":[{"revision":"c2dcad57c97546a180846ecc40e34ae9","observedAt":"2026-10-29T21:50:49.331+00:00","statement":{"source":"nvd","id":"CVE-2026-116688","aliases":[],"title":"CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. From 45.0.0 until 47.7.4 and 48.5.1, the engine uses a vulnerable es-toolkit version whose prototype-pollution behavior can be reached while CKEditor processes inc…","description":"CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. From 45.0.0 until 47.7.4 and 48.5.1, the engine uses a vulnerable es-toolkit version whose prototype-pollution behavior can be reached while CKEditor processes incoming style attribute values. Crafted editor content can thereby cause unauthorized JavaScript execution in the browser. This issue is fixed in versions 47.7.4 and 48.5.1.","state":0,"publishedAt":"2026-10-27T20:17:14.037+00:00","modifiedAt":"2026-10-28T15:21:31.673+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1,"severity":"HIGH"}],"references":["https://github.com/ckeditor/ckeditor5/commit/4d9c5bb34f63cd956d15ccafbe584e14280c86a0","https://github.com/ckeditor/ckeditor5/commit/a750e38635db6a18c5b11599c09f4fd702850423","https://github.com/ckeditor/ckeditor5/releases/tag/v47.7.4","https://github.com/ckeditor/ckeditor5/releases/tag/v48.5.1","https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-rh54-vffm-5fvp"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-116688","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-79"],"productCriteria":[],"sourceDates":{"published":"2026-10-27T20:17:14.037","lastModified":"2026-10-28T15:21:31.673"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-116688","identifiers":["CVE-2026-116688"]},"retained":false,"historicalAffected":[]}],"coverage":[]}