CVE-2026-63349

A flaw was found in AnyIO. When launching child processes using anyio.openprocess, the extragroups argument is incorrectly handled. This can allow a less-privileged child process to retain the supplementary groups of its parent, potentially leading to unintended privilege retention. This issue...

CVE-2026-63349

AnyIO is a high level asynchronous concurrency and networking framework that works on top of either Trio or asyncio. In 4.14.0, AnyIO accepts the POSIX extragroups argument in anyio.runprocess and anyio.openprocess, but openprocess forwards the group argument to the backend instead of extragroups...

CVE-2026-63349: Incorrect Privilege Assignment

AnyIO is a high level asynchronous concurrency and networking framework that works on top of either Trio or asyncio. In 4.14.0, AnyIO accepts the POSIX extragroups argument in anyio.runprocess and anyio.openprocess, but openprocess forwards the group argument to the backend instead of extragroups...

PT-2026-95513

Name of the Vulnerable Software and Affected Versions AnyIO versions 4.14.0 through 4.14.1 Description AnyIO is a high-level asynchronous concurrency and networking framework. In POSIX applications, the anyio.open process function incorrectly forwards the group variable to the backend instead of...

CVE-2026-34935: Improper Neutralization of Special Elements used in an OS Command

PraisonAI is a multi-agent teams system. From version 4.5.15 to before version 4.5.69, the --mcp CLI argument is passed directly to shlex.split and forwarded through the call chain to anyio.openprocess with no validation, allowlist check, or sanitization at any hop, allowing arbitrary OS command...