CVE-2026-35366

A flaw was found in the printenv utility within uutils coreutils. This vulnerability allows an attacker to conceal malicious environment variables by using invalid UTF-8 byte sequences. As a result, security tools and administrators may not detect these hidden variables, which could enable...

CVE-2026-35366 uutils coreutils printenv Security Inspection Bypass via UTF-8 Enforcement

The printenv utility in uutils coreutils fails to display environment variables containing invalid UTF-8 byte sequences. While POSIX permits arbitrary bytes in environment strings, the uutils implementation silently skips these entries rather than printing the raw bytes. This vulnerability allows...