High severity · published Sep 3, 2026
CVE-2026-85447
MOOS-IvP through 24.8.1 pRealm Unbounded REALMCAST_REQ Subscription Denial of Service
7.5
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
moos-ivp · moos-ivp
through 24.8.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-85447
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-85447
Product
https://github.com/moos-ivp/moos-ivp
Issue Tracking
https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/pRealm/PipeWay.cpp#L109
Issue Tracking
https://github.com/moos-ivp/moos-ivp/commit/8a4bb9d9154a70e769a7290ee11dde5157c03e9b
Issue Tracking
https://github.com/moos-ivp/moos-ivp/pull/132
Third Party Advisory
https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-prealm-unbounded-realmcast-req-subscription-denial-of-service
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