high8.6
CVE-2026-16633
PDF.js: Arbitrary JavaScript execution upon opening a malicious PDF
Impact
### Impact If 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. ### Patches ### Workarounds Set `enableScripting` to `false` or set a CSP.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | pdfjs-dist | >= 5.6.83, < 6.2.108 | 6.2.108 |