CVE-2026-49406

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.7.12, when Deno was run in BYONM mode nodeModulesDir: "manual", the module resolver did not validate that a package's resolved entrypoint stayed within its nodemodules// directory. A malicious package.json whose main field...

CVE-2026-49406

The CVE describes a vulnerability in Deno when run in BYONM mode (nodeModulesDir: "manual"): the module resolver could bypass the read boundary by resolving a package.json main field containing .. segments, allowing a malicious package to read files outside the approved --allow-read scope via req...