CVE-2026-49983

Summary of CVE-2026-49983 details (Deno): Deno’s process.loadEnvFile() incorrectly bypasses env permission checks. It only verifies read permission on the dotenv file and then writes all keys from the file into process.env, even if env access is denied. This means that with --allow-read and a wri...

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...

SUSE 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...

CVE-2025-48934 Deno.env.toObject() ignores the variables listed in --deny-env and returns all environment variables

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...

CVE-2025-48934 Deno.env.toObject() ignores the variables listed in --deny-env and returns all environment variables

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...

The vulnerability in the execution environment for JavaScript and TypeScript Deno arises from synchronization errors when using a shared resource, allowing an attacker to expose sensitive information.

The vulnerability of the execution environment for JavaScript and TypeScript in Deno arises due to synchronization errors when using a shared resource. Exploiting this vulnerability can allow an attacker to disclose sensitive information that is protected by security measures...