CVE-2026-21878

creationtimestamp| type| source ---|---|--- 2026-02-13 19:24:15+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3meraainkqq22...

CVE-2026-21878 BACnet Stack Improperly Limits Pathnames to a Restricted Directory

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.5.0.rc3, a vulnerability has been discovered in BACnet Stack's file writing functionality where there is no validation of user-provided file paths, allowing attackers to write files to arbitrary...