CVE-2026-18459

Summary

Incorrect Calculation vulnerability in RTI Connext Professional (Core Libraries) allows Abuse Existing Functionality. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1., from 6.0.0 before 6.0., from 5.3.0 before 5.3., from 5.2.0 before 5.2., from 4.1x before 5.1.*.

Affected Software

VendorProductVersion RangeStatus
RTIConnext Professional7.4.0 < 7.7.0.1affected
RTIConnext Professional7.0.0 < 7.3.1.6affected
RTIConnext Professional6.1.0 < 6.1.*affected
RTIConnext Professional6.0.0 < 6.0.*affected
RTIConnext Professional5.3.0 < 5.3.*affected
RTIConnext Professional5.2.0 < 5.2.*affected
RTIConnext Professional4.1x < 5.1.*affected

Weaknesses

  • CWE-682: CWE-682 Incorrect Calculation

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References