What’s Vulnerable › Vulnerabilities

CVE-2026-85447: MOOS-IvP through 24.8.1 pRealm Unbounded REALMCAST_REQ Subscription Denial of Service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-03 · updated 2026-10-14
• Weakness: CWE-770

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.

Affected products

• moos-ivp: before 24.8.1 — fixed in 24.8.1

How to fix

Upgrade to a fixed version: moos-ivp 24.8.1. Check the vendor advisory for mitigations.

References

• https://github.com/moos-ivp/moos-ivp
• https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/pRealm/PipeWay.cpp#L109
• https://github.com/moos-ivp/moos-ivp/commit/8a4bb9d9154a70e769a7290ee11dde5157c03e9b
• https://github.com/moos-ivp/moos-ivp/pull/132
• https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-prealm-unbounded-realmcast-req-subscription-denial-of-service

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