Go to homepageCyberStrike

Menu

Star on GitHub · 3.5k
Sign inDownload

CVE-2026-85430

9.1 · CRITICAL

MOOS essential-moos through 10.0.1 contains an authentication bypass vulnerability in pShare that accepts UDP datagrams from any source and republishes them with the attacker-claimed identity intact.

Published Sep 3, 2026themoosCWE-345EPSS 1.66%

Overview

CVE-2026-85430 is a critical-severity vulnerability affecting themoos essential-moos. It was published on September 3, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

MOOS essential-moos through 10.0.1 contains an authentication bypass vulnerability in pShare that accepts UDP datagrams from any source and republishes them with the attacker-claimed identity intact. Attackers can send crafted UDP datagrams to pShare input routes to inject messages into the local MOOS community under spoofed identities, or send malformed datagrams to crash the pShare process.

Remediation

Check the references section for vendor advisories and patches from themoos. Update essential-moos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
themoosessential-moos0Affected

References

GitHubgithub.com/themoos/essential-moosGitHubgithub.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Listener.cpp#L132GitHubgithub.com/themoos/essential-moos/commit/53729b6325a991a8dbd84dcd04e4707f3e592fd6GitHubgithub.com/themoos/essential-moos/pull/18Refwww.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthenticated-udp-datagram-republishing

How CyberStrike helps

Frequently asked questions

What is CVE-2026-85430?

CVE-2026-85430 is a critical-severity vulnerability affecting themoos essential-moos. It was published on September 3, 2026 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2026-85430?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-85430?

Check the references section for vendor advisories and patches from themoos. Update essential-moos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-85430?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-85430 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related CRITICAL CVEs from 2026

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999
CyberStrike v2 is here — more intelligence, greater reach