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CVE-2026-4374

Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Cloud Discovery Service, Recording Service, Routing Service, Queueing Service, Observability Collector) allows Serialized Data External Linking, Data Serialization External Entities Blowup.<p>This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.1.0 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.*.</p>
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ddc4c8e605987ce575d34c081fa15986b2b8e1d0dcba825036ac44c74b7872d6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NON…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8af0b84ad4b22cc8fb59950d4ba4bbaf31d590902d8e0fd42d721644ef5693fc · sha256:179f0577c7ae1bef… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":7,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8af0b84ad4b22cc8fb59950d4ba4bbaf31d590902d8e0fd42d721644ef5693fc · sha256:179f0577c7ae1bef… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","modules":["Cloud Discovery Service","Recording Service","Routing Service","Queueing Service","Observability Collector"],"packageName":"connext_professional","packageURL":"pkg:generic/connext_professional","product":"Connext Professional","vendor":"RTI","versions":[{"lessThan":"7.7.0","status":"affected","version":"7.4.0","versionType":"custom"},{"lessThan":"7.3.1.1","status":"affected","version":"7.1.0","versionType":"custom"},{"lessThan":"6.1.2.34","status":"affected","version":"6.1.0","versionType":"custom"},{"lessThan":"6.0.*","status":"affected","version":"6.…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8af0b84ad4b22cc8fb59950d4ba4bbaf31d590902d8e0fd42d721644ef5693fc · sha256:179f0577c7ae1bef… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NON…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8af0b84ad4b22cc8fb59950d4ba4bbaf31d590902d8e0fd42d721644ef5693fc · sha256:179f0577c7ae1bef… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":7,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8af0b84ad4b22cc8fb59950d4ba4bbaf31d590902d8e0fd42d721644ef5693fc · sha256:179f0577c7ae1bef… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-611","description":"CWE-611 Improper Restriction of XML External Entity Reference","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8af0b84ad4b22cc8fb59950d4ba4bbaf31d590902d8e0fd42d721644ef5693fc · sha256:179f0577c7ae1bef… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.rti.com/vulnerabilities/#cve-2026-4374"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8af0b84ad4b22cc8fb59950d4ba4bbaf31d590902d8e0fd42d721644ef5693fc · sha256:179f0577c7ae1bef… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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