CVE-2026-4374

EUVD-2026-17765
Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Routing Service,Observability Collector,Recording Service,Queueing Service,Cloud Discovery Service) allows Serialized Data External Linking, Data Serializat...
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 12%
Affected Products (NVD)
VendorProductVersion
rticonnext_professional
5.3.0 ≤
𝑥
≤ 5.3.1.45
rticonnext_professional
6.0.0 ≤
𝑥
≤ 6.0.1.40
rticonnext_professional
6.1.0 ≤
𝑥
≤ 6.1.2.27
rticonnext_professional
7.0.0 ≤
𝑥
< 7.3.1.1
rticonnext_professional
7.4.0 ≤
𝑥
< 7.7.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.rti.com/vulnerabilities/#cve-2026-4374