JLSEC-2026-107 Deno permission escalation vulnerability via open of privileged files with missing `--deny` flag

The Deno sandbox may be unexpectedly weakened by allowing file read/write access to privileged files in various locations on Unix and Windows platforms. For example, reading /proc/self/environ may provide access equivalent to --allow-env, and writing /proc/self/mem may provide access equivalent t...

CVE-2024-37372

The Permission Model assumes that any path starting with two backslashes \ has a four-character prefix that can be ignored, which is not always true. This subtle bug leads to vulnerable edge cases...