CVE-2026-85447
MOOS-IvP through 24.8.1 pRealm Unbounded REALMCAST_REQ Subscription Denial of Service
Description
MOOS-IvP pRealm through version 24.8.1 accepts unbounded REALMCAST_REQ subscriptions without validating duration or variable list limits. Attackers can register long-lived pipeways with many variables to cause pRealm to generate excessive output indefinitely, exhausting system resources.
INFO
Published Date :
Sept. 3, 2026, 11:17 p.m.
Last Modified :
Oct. 14, 2026, 11:31 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 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update MOOS-IvP pRealm to version 24.8.2.
- Apply the latest security patches for MOOS-IvP.
- Validate resource limits for pRealm subscriptions.
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-2026-85447.
| URL | Resource |
|---|---|
| https://github.com/moos-ivp/moos-ivp | Product |
| https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/pRealm/PipeWay.cpp#L109 | Issue Tracking Patch |
| https://github.com/moos-ivp/moos-ivp/commit/8a4bb9d9154a70e769a7290ee11dde5157c03e9b | Issue Tracking Patch |
| https://github.com/moos-ivp/moos-ivp/pull/132 | Issue Tracking Patch |
| https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-prealm-unbounded-realmcast-req-subscription-denial-of-service | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-85447 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-2026-85447
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-2026-85447 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-85447 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.
-
Initial Analysis by [email protected]
Oct. 14, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:mit:moos-ivp:*:*:*:*:*:*:*:* versions up to (excluding) 24.8.1 Added Reference Type VulnCheck: https://github.com/moos-ivp/moos-ivp Types: Product Added Reference Type VulnCheck: https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/pRealm/PipeWay.cpp#L109 Types: Issue Tracking, Patch Added Reference Type VulnCheck: https://github.com/moos-ivp/moos-ivp/commit/8a4bb9d9154a70e769a7290ee11dde5157c03e9b Types: Issue Tracking, Patch Added Reference Type VulnCheck: https://github.com/moos-ivp/moos-ivp/pull/132 Types: Issue Tracking, Patch Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-prealm-unbounded-realmcast-req-subscription-denial-of-service Types: Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 04, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-85447', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-04T18:30:52.243781Z'} -
New CVE Received by [email protected]
Sep. 03, 2026
Action Type Old Value New Value Added Description MOOS-IvP pRealm through version 24.8.1 accepts unbounded REALMCAST_REQ subscriptions without validating duration or variable list limits. Attackers can register long-lived pipeways with many variables to cause pRealm to generate excessive output indefinitely, exhausting system resources. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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:N/I:N/A:H Added CWE CWE-770 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/85xxx/CVE-2026-85447.json">CVE-2026-85447</a> Added Reference https://github.com/moos-ivp/moos-ivp Added Reference https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/pRealm/PipeWay.cpp#L109 Added Reference https://github.com/moos-ivp/moos-ivp/commit/8a4bb9d9154a70e769a7290ee11dde5157c03e9b Added Reference https://github.com/moos-ivp/moos-ivp/pull/132 Added Reference https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-prealm-unbounded-realmcast-req-subscription-denial-of-service