CVE-2026-85433
MOOS essential-moos through 10.0.1 pShare Unauthorized Runtime Route Reconfiguration
Description
MOOS essential-moos pShare through 10.0.1 fails to properly authorize PSHARE_CMD messages, allowing any publisher to reconfigure network routes and listeners at runtime. Attackers can send crafted PSHARE_CMD messages with cmd=output or cmd=input parameters to open new listeners on arbitrary addresses and redirect or duplicate bus traffic to attacker-controlled destinations.
INFO
Published Date :
Sept. 3, 2026, 11:17 p.m.
Last Modified :
Oct. 14, 2026, 3:14 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Apply available updates for MOOS essential-moos.
- Verify PSHARE_CMD message authorization.
- Restrict access to PSHARE_CMD functionality.
- Monitor network traffic for suspicious PSHARE_CMD messages.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-85433.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-85433 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-85433
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-85433 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-85433 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Reanalysis by [email protected]
Oct. 14, 2026
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:themoos:essential-moos:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.1 OR *cpe:2.3:a:themoos:essential-moos:*:*:*:*:*:*:*:* versions up to (including) 10.0.1 Changed Reference Type VulnCheck: https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Share.cpp#L813 Types: Issue Tracking VulnCheck: https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Share.cpp#L813 Types: Product Changed Reference Type VulnCheck: https://github.com/themoos/essential-moos/commit/8e51cedcbd8de9781adec2e9cce354f51750a547 Types: Issue Tracking, Patch VulnCheck: https://github.com/themoos/essential-moos/commit/8e51cedcbd8de9781adec2e9cce354f51750a547 Types: Patch Changed Reference Type VulnCheck: https://github.com/themoos/essential-moos/pull/20 Types: Issue Tracking, Patch VulnCheck: https://github.com/themoos/essential-moos/pull/20 Types: Exploit, Patch Changed Reference Type VulnCheck: https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthorized-runtime-route-reconfiguration Types: Third Party Advisory VulnCheck: https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthorized-runtime-route-reconfiguration Types: Third Party Advisory, VDB Entry -
Initial Analysis by [email protected]
Oct. 14, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:themoos:essential-moos:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.1 Added Reference Type VulnCheck: https://github.com/themoos/essential-moos Types: Product Added Reference Type VulnCheck: https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Share.cpp#L813 Types: Issue Tracking Added Reference Type VulnCheck: https://github.com/themoos/essential-moos/commit/8e51cedcbd8de9781adec2e9cce354f51750a547 Types: Issue Tracking, Patch Added Reference Type VulnCheck: https://github.com/themoos/essential-moos/pull/20 Types: Issue Tracking, Patch Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthorized-runtime-route-reconfiguration Types: Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 14, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-85433', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-14T13:17:55.341619Z'} -
New CVE Received by [email protected]
Sep. 03, 2026
Action Type Old Value New Value Added Description MOOS essential-moos pShare through 10.0.1 fails to properly authorize PSHARE_CMD messages, allowing any publisher to reconfigure network routes and listeners at runtime. Attackers can send crafted PSHARE_CMD messages with cmd=output or cmd=input parameters to open new listeners on arbitrary addresses and redirect or duplicate bus traffic to attacker-controlled destinations. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-862 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/85xxx/CVE-2026-85433.json">CVE-2026-85433</a> Added Reference https://github.com/themoos/essential-moos Added Reference https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Share.cpp#L813 Added Reference https://github.com/themoos/essential-moos/commit/8e51cedcbd8de9781adec2e9cce354f51750a547 Added Reference https://github.com/themoos/essential-moos/pull/20 Added Reference https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthorized-runtime-route-reconfiguration