Daily Brief - 2026-09-06
▶ Listen to this briefingCVE-2026-0799
In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BPF interpreter does not validate the value. In particular uncommon use cases a crafted filter program can cause the interpreter to try reading and writing the OS process memory in the 16GiB starting at the current stack frame on 64-bit architectures and in the entire address space on 32-bit architectures.
CVE-2026-67279
RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was never attempted, allowing an unauthenticated client to open a session channel and send an exec request. On affected builds the server dispatches the command, enabling unauthenticated creation, overwrite, and reconstruction of files in the RouterOS managed file namespace, including support files containing configuration and diagnostic data.This issue was fixed in versions: 6.49.21 (Long-term), 7.23.4 (Long-term) and 7.24.2 (Stable)
CVE-2026-86116
Metabase versions before 0.63.1 fail to enforce data analyst permission checks on glossary API endpoints, allowing any authenticated user to create, modify, and delete glossary entries. Attackers can submit requests to POST, PUT, and DELETE glossary endpoints to tamper with instance-wide business glossary data without proper authorization.
CVE-2026-86175
NetBox through 4.7.0 fails to redact sensitive data source backend credentials in REST and GraphQL API responses. Authenticated users with only view permission can retrieve plaintext passwords and secret keys for Git and Amazon S3 backends through API endpoints, gaining unauthorized access to external repositories and storage buckets.
CVE-2026-86207
An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs