CVE-2026-34042 act: actions/cache server allows malicious cache injection

act is a project which allows for local running of github actions. Prior to version 0.2.86, act's built in actions/cache server listens to connections on all interfaces and allows anyone who can connect to it including someone anywhere on the internet to create caches with arbitrary keys and...

CVE-2026-34042

act: The CVE-2026-34042 flaw in the act project’s actions/cache server lets connections from any interface create caches with arbitrary keys and read existing caches, potentially enabling arbitrary remote code execution inside the local Docker container. The issue stems from listening on all inte...