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CVE-2026-4374

Connext Professional · Vulnerability

CVSS 4.0 8.8 HIGHCVSS 4.0 7.0 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-4374

Published

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.*.

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Affected versions, risk and source history

Related advisories and sources

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-4374 · CVE overview and exploitation status

cve-program · CVE-2026-4374

Related changes

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ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 13 Nov 01:58 UTC · 274 of 275 readable · 272 fully read · documentation 464/469 current

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