PT-2026-50155

Name of the Vulnerable Software and Affected Versions Deno versions prior to 2.8.1 Description Environment access is managed by the env permission, which can be restricted via --deny-env or an allowlist using --allow-env=FOO,BAR. The process.loadEnvFile function, a Node-compatible API for loading...

JLSEC-2026-110 Deno.env.toObject() ignores the variables listed in --deny-env and returns all environment variables

Summary The Deno.env.toObject method ignores any variables listed in the --deny-env option of the deno run command. When looking at the documentation of the --deny-env option this might lead to a false impression that variables listed in the option are impossible to read. PoC export...

CVE-2025-48934

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to versions 2.1.13 and 2.2.13, the Deno.env.toObject method ignores any variables listed in the --deny-env option of the deno run command. When looking at the documentation of the --deny-env option this might lead to a false...