EUVD-2025-16912

Malicious code in bioql PyPI...

Deno run with --allow-read and --deny-read flags results in allowed

Summary deno run --allow-read --deny-read main.ts results in allowed, even though 'deny' should be stronger. Same with all global unary permissions given as --allow- --deny-. Details Caused by the fast exit logic in 22894. PoC Run the above command expecting no permissions to be passed. Impact Th...

GHSA-XQXC-X6P3-W683 Deno run with --allow-read and --deny-read flags results in allowed

Summary deno run --allow-read --deny-read main.ts results in allowed, even though 'deny' should be stronger. Same with all global unary permissions given as --allow- --deny-. Details Caused by the fast exit logic in 22894. PoC Run the above command expecting no permissions to be passed. Impact Th...

CVE-2025-48934: Insertion of Sensitive Information Into Sent Data

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-2025-48888: Incorrect Authorization

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 1.41.3 and prior to versions 2.1.13, 2.2.13, and 2.3.2, deno run --allow-read --deny-read main.ts results in allowed, even though 'deny' should be stronger. The result is the same with all global unary permissions give...