CVE-2026-85427

MOOS essential-moos through 10.0.1 pAntler Remote Code Execution via Unauthenticated MISSION_FILE

State: Published
Severity: 9.2 Critical
Published: Sep 3, 2026
Updated: Sep 4, 2026
Reserved: Sep 3, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.2 Critical	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-494 Download of Code Without Integrity Check

Affected Products

Product	Versions
essential-moosthemoos	10.0.1 and earlierAffected

References

Pull Request #17issue-trackingpatch
Proposed fix commit (pull request not merged)patch
https://github.com/themoos/essential-moosproduct
Antler.cpp (verified sink)technical-description
VulnCheck Advisory: MOOS essential-moos through 10.0.1 pAntler Remote Code Execution via Unauthenticated MISSION_FILEthird-party-advisory

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