CVE-2026-4374

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...

State
Published
Severity
8.8 High
Published
Apr 1, 2026
Updated
Sep 22, 2026
Reserved
Mar 18, 2026

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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.*.

Scores

CVSSScoreVectorSource
4.08.8 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:NRTI
4.07.0 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:NRTI

Weaknesses

  • CWE-611 Improper Restriction of XML External Entity Reference

Affected Products

ProductVersions
Connext ProfessionalRTI
  • 7.4.0 to before 7.7.0Affected
  • 7.0.0 to before 7.3.1.1Affected
  • 6.1.0 to before 6.1.2.34Affected
  • 6.0.0 to before 6.0.*Affected
  • 5.3.0 to before 5.3.*Affected

References

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