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TI-2026-15165 Aliases CVE-2026-18461GHSA-hxc8-pv67-w823

Use of Externally-Controlled Format String vulnerability in RTI Connext Professional…

Priority MEDIUM 42CWE-134Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-134 and the CVSS impact.

Summary

Use of Externally-Controlled Format String vulnerability in RTI Connext Professional (Core Libraries) allows Format String Injection. This issue affects Connext Professional: from 7.5.0 before 7.7.0.1, from 7.3.0.10 before 7.3.1.6.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00331 26th percentileScored 2026-11-07
Fix Fixed Connext Professional (RTI): 7.7.0.1, 7.3.1.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
RTIConnext Professional7.5.0 to before 7.7.0.1; 7.3.0.10 to before 7.3.1.67.7.0.1, 7.3.1.6Patch availableCNA
  • Connext Professional VendorRTI Affected 7.5.0 to before 7.7.0.1; 7.3.0.10 to before 7.3.1.6 Fixed in 7.7.0.1, 7.3.1.6 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*——RTI
  • cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:* Versions — — ·RTI

Remediation

  • Fix · CNA Connext Professional (RTI) Fixed in 7.7.0.1, 7.3.1.6

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    RTI Connext Professional 7.3.1.6, 7.7.0.1

    4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-15164 Out-of-bounds write in RTI Connext ProfessionalPriority LOW 37
    • TI-2026-09829 Out-of-bounds read in RTI Connext ProfessionalPriority LOW 29
    • TI-2026-09828 Double free in RTI Connext ProfessionalPriority LOW 29
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18461
  2. 2026-10-03 Alias added: GHSA-hxc8-pv67-w823

References

Other 1

  • TI-2021-16087 Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro CVSS 4.0HIGH 8.8
  • TI-2026-06924 Stack-based buffer overflow in RTI Connext Professional CVSS 4.0CRITICAL 10.0
  • TI-2026-23632 Integer underflow in RTI Connext Micro CVSS 4.0HIGH 8.8
  • TI-2026-03368 Out-of-bounds read in RTI Connext Professional CVSS 4.0CRITICAL 9.2
  • TI-2026-02096 Heap-based buffer overflow in RTI Connext Professional CVSS 4.0CRITICAL 9.2
  • TI-2024-34933 SQL injection in RTI Connext Professional CVSS 4.0CRITICAL 9.1
See all 44 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences