{"id":"CVE-2026-16633","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-16633","summary":"PDF.js: Arbitrary JavaScript execution upon opening a malicious PDF ","details":"### Impact\n\nIf PDF.js is used to load a malicious PDF, and PDF.js is configured with `enableScripting` set to true (which is the default value) and no CSP for disallowing script-src, unrestricted attacker-controlled JavaScript will be executed in the context of the hosting domain.\n\n### Patches\n\n### Workarounds\nSet `enableScripting` to `false` or set a CSP.","published":"2026-08-06T21:12:27Z","modified":"2026-09-10T03:50:53.721358409Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"pdfjs-dist","fixedVersion":"6.2.108"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/mozilla/pdf.js/security/advisories/GHSA-hq66-cqwq-w95j"},{"type":"WEB","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2055885"},{"type":"PACKAGE","url":"https://github.com/mozilla/pdf.js"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:50:53.721358409Z"}}