CVE-2026-114105: Js Zip Unix Mode Mask Keeps Setuid Setgid Sticky Bitscve-2026-114105-js-zip-unix-mode-mask-keeps-setuid-setgid-sticky-bits
A Unix permission mode is derived from archive entry attributes with a mask ($MASK) that keeps the setuid (0o4000), setgid (0o2000) and sticky (0o1000) bits. Those bits come verbatim from attacker-controlled archive metadata; when the resulting mode is applied to extracted files (chmod/chmodSync, e.g. behind a keepOriginalPermission option), a crafted archiv