Vulnerability details
CVE-2026-18459
RTI Connext Professional
Incorrect Calculation vulnerability in RTI Connext Professional (Core Libraries) allows Abuse Existing Functionality.
CVSS 4.0
8.7High
Official description
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.*.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (RTI) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| RTI | Connext Professional | 4.1x ≤ v < 5.1.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 5.2.0 ≤ v < 5.2.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 5.3.0 ≤ v < 5.3.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 6.0.0 ≤ v < 6.0.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 6.1.0 ≤ v < 6.1.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 7.0.0 ≤ v < 7.3.1.6 | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 7.4.0 ≤ v < 7.7.0.1 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-09-22
- Last updated
- 2026-09-22
- State
- Published
- Assigner (CNA)
- RTI
Exploit prediction (EPSS)
0.42%
Probability of exploitation in 30 days
37.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-682Incorrect Calculation