CVE-2026-85427MOOS essential-moos through 10.0.1 pAntler Remote Code Execution via Unauthenticated MISSION_FILE

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.

9.2 CRITICALEPSS 0.55%Not in KEVNVD: Analyzed

Last updated: 2026-10-14 15:08 UTC

OverviewCVSS details

9.2CRITICALCVSS 4.0

Score source: VulnCheck (CNA)
NVD status: Analyzed
Published: Sep 3, 2026
Assigner: VulnCheck

Affected

essential-moos (themoos)

Versions: through 10.0.1

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact total

EPSS · FIRST, scored Nov 7

0.55%chance of exploitation in 30 days

Higher than 46.38% of CVEs

CVSS 4.0 · VulnCheck (CNA)

9.2Critical

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

Attack vector: Network
Attack complexity: High
Attack requirements: Present
Privileges required: None
User interaction: None
Confidentiality impact: High
Integrity impact: High
Availability impact: High
Confidentiality (other systems): None
Integrity (other systems): None
Availability (other systems): None

CVSS 3.1 · NVD

9.8Critical

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

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · VulnCheck (CNA)

8.1High

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

Attack vector: Network
Attack complexity: High
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.2	CRITICAL	4.0VulnCheck (CNA)	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
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1	HIGH	3.1VulnCheck (CNA)	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CVE ID: CVE-2026-85427
Status: Analyzed
Assigner (CNA): VulnCheck
Published: Sep 3, 2026
Last modified: 2026-10-14 15:08 UTC
Weaknesses: CWE-494 · Download of Code Without Integrity Check

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 09:53 UTC.