CVE-2026-3894

critical · 9.2

Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.0.0 before 5.2.*.

9.2

CVSS

0.2%

EPSS (exploit prob.)

10th

EPSS percentile

2026-06-17

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-125

Affected products

Vendor	Product	Affected versions
rti	connext_professional	>= 5.0.0, < 7.7.0

Check a specific version with /api/v1/cve/match.

References

https://www.rti.com/vulnerabilities/#cve-2026-3894

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-3894