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CVE-2026-49983

MEDIUM · CVSS 5.2 EPSS %0.10 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-23T18:18:04.190 · Çekilme zamanı: 2026-06-30T18:30:26.022044+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

GitHub PoC Linkleri

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CVE
CVE-2026-49983
Severity
MEDIUM
CVSS
5.2
EPSS
%0.10
Java

Orijinal NVD Açıklaması

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.8.1, environment access is gated by the env permission. You can deny it with --deny-env, or restrict it to a specific allowlist with --allow-env=FOO,BAR. The expectation is that a program running without env permission cannot change process.env. process.loadEnvFile() (the Node-compatible API for loading variables from a .env file) does not honor this. It only checks that the program has read permission for the dotenv file, then writes every key in that file into the process environment — even when env access is denied. In effect, --allow-read plus a writable or attacker-controlled .env file is enough to defeat --deny-env. This vulnerability is fixed in 2.8.1.