---
title: "CVE-2026-55897: luci-app-advanced-reboot - Command Injection"
description: "luci-app-advanced-reboot < 1.1.2-6 contains a command injection caused by rpcd file.exec permission granted to /bin/sh in ACL, letting authenticated delegated sessions execute arbitrary commands as root, exploit requires authenticated delegated session."
url: https://panop.io/threat-heartbeat/CVE-2026-55897/
---

# CVE-2026-55897 luci-app-advanced-reboot - Command Injection

luci-app-advanced-reboot < 1.1.2-6 contains a command injection caused by rpcd file.exec permission granted to /bin/sh in ACL, letting authenticated delegated sessions execute arbitrary commands as root, exploit requires authenticated delegated session.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.65% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-55897)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

21 September 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to version 1.1.2-6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-55897](https://nvd.nist.gov/vuln/detail/CVE-2026-55897)
- [https://github.com/openwrt/luci/commit/2df00deb122093cbf429266ffef7ad06aaecb48f](https://github.com/openwrt/luci/commit/2df00deb122093cbf429266ffef7ad06aaecb48f)
- [https://github.com/openwrt/luci/commit/f85102548ee8325bfd581a0327b210b5f7670829](https://github.com/openwrt/luci/commit/f85102548ee8325bfd581a0327b210b5f7670829)
- [https://github.com/openwrt/luci/pull/8710](https://github.com/openwrt/luci/pull/8710)
- [https://github.com/openwrt/luci/security/advisories/GHSA-vj96-f37g-37f6](https://github.com/openwrt/luci/security/advisories/GHSA-vj96-f37g-37f6)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)