---
id: CVE-2026-85427
title: >-
  MOOS essential-moos pAntler through 10.0.1 contains a remote code execution
  vulnerability that allows unauthenticated attackers to execute arbitrary
  programs by publishing a crafted MISSION_FILE message to the MOOSDB
summary: >-
  MOOS essential-moos pAntler through 10.0.1 contains a remote code execution
  vulnerability that allows unauthenticated attackers to execute arbitrary
  programs by publishing a crafted MISSION_FILE message to the MOOSDB. Attackers
  can publi…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-494
published: '2026-09-03'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:07:17.943'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85427'
references:
  - url: 'https://github.com/themoos/essential-moos'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pAntler/Antler.cpp#L95
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/themoos/essential-moos/commit/e219f26710927f9c155a6b0dc11e3bd5f3da6730
    label: disclosure@vulncheck.com
  - url: 'https://github.com/themoos/essential-moos/pull/17'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pantler-remote-code-execution-via-unauthenticated-mission-file
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00547
epssPercentile: 0.43437
ingestedAt: '2026-09-08T20:10:03.161Z'
---

## Overview

MOOS essential-moos pAntler through 10.0.1 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary programs by publishing a crafted MISSION_FILE message to the MOOSDB. Attackers can publish a mission file containing malicious Run entries that pAntler parses and executes via execvp() without authentication validation.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.