Vulnerability-Lookup

CVE-2026-85430 (GCVE-0-2026-85430)

Vulnerability from cvelistv5 – Published: 2026-09-03 22:38 – Updated: 2026-09-04 17:24

Title

MOOS essential-moos through 10.0.1 pShare Unauthenticated UDP Datagram Republishing

Summary

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.

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

9.1 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-04 17:23 UTC

CWE

CWE-345 - Insufficient Verification of Data Authenticity

Assigner

VulnCheck mitre root

References

5 references

URL	Tags
https://github.com/themoos/essential-moos/pull/18	issue-trackingpatch
https://github.com/themoos/essential-moos/commit/…	patch
https://github.com/themoos/essential-moos	product
https://github.com/themoos/essential-moos/blob/b8…	technical-description
https://www.vulncheck.com/advisories/moos-essenti…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
themoos	essential-moos	Affected: 0 , ≤ 10.0.1 (custom)	guessed

Date Public

2026-09-02 00:00

Credits

Vlatko Kosturjak

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-85430

Vulnerability from fkie_nvd - Published: 2026-09-03 23:17 - Updated: 2026-09-04 18:18

Severity

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/themoos/essential-moos
	disclosure@vulncheck.com	https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Listener.cpp#L132
	disclosure@vulncheck.com	https://github.com/themoos/essential-moos/commit/53729b6325a991a8dbd84dcd04e4707f3e592fd6
	disclosure@vulncheck.com	https://github.com/themoos/essential-moos/pull/18
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthenticated-udp-datagram-republishing

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "defaultStatus": "unaffected",
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GHSA-X26F-2HV8-GR33

Vulnerability from github – Published: 2026-09-04 00:31 – Updated: 2026-09-04 00:31

Details

Severity

9.1 (Critical)


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

8.8 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-85430"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-03T23:17:22Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-x26f-2hv8-gr33",
  "modified": "2026-09-04T00:31:08Z",
  "published": "2026-09-04T00:31:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85430"
    },
    {
      "type": "WEB",
      "url": "https://github.com/themoos/essential-moos/pull/18"
    },
    {
      "type": "WEB",
      "url": "https://github.com/themoos/essential-moos/commit/53729b6325a991a8dbd84dcd04e4707f3e592fd6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/themoos/essential-moos"
    },
    {
      "type": "WEB",
      "url": "https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Listener.cpp#L132"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthenticated-udp-datagram-republishing"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-85430 (GCVE-0-2026-85430)

FKIE_CVE-2026-85430

GHSA-X26F-2HV8-GR33

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Sightings

Nomenclature