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OpenAdvisories
High · 7.0 CVE-2026-4374 EUVD-2026-17765

Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Recording Service,Routing Service,Queueing Service,Cloud Discovery Service,Observability Collector) allows Serialized Data External Linking, Data Serializat...

Published Apr 1, 2026 · Updated Sep 22, 2026 · Assigned by RTI

Description

Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Recording Service,Routing Service,Queueing Service,Cloud Discovery Service,Observability Collector) allows Serialized Data External Linking, Data Serialization External Entities Blowup. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*.

Affected products

VendorProductAffectedFixed
RTI Connext Professional 7.4.0 – < 7.7.0, 7.0.0 – < 7.3.1.1, 6.1.0 – < 6.1.2.34, 6.0.0 – < 6.0.*, 5.3.0 – < 5.3.* 7.7.0

References