CVE-2026-12391: Improper Link Resolution Before File Access

An insecure symlink following vulnerability exists in Canonical ubuntu-pro-client formerly ubuntu-advantage-tools within the pro collect-logs command framework. The utility creates or utilizes predictable temporary file paths or user-accessible log directories when gathering diagnostic informatio...

CVE-2026-62947: Improper Limitation of a Pathname to a Restricted Directory

OpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, the cgi-download handler in cgi-io authorizes the requested path against the caller's ubus session file ACL before canonicalization, and rpcd session.c uses fnmatch without FNMPATHNAME, allowing traversal such as an...

Amazon Linux AMI : cloud-init (ALAS-2016-763)

It was discovered that cloud-init in the Amazon Linux AMI wrote IAM role credentials from the instance metadata service to files readable by the root user in /var/lib/cloud. An application with root privileges, a container with access to the relevant files, or a root user of an AMI derived from a...