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CVE-2026-2394

22
FAUCET Score

CVE-2026-2394 identifies a buffer over-read vulnerability within RTI Connext Professional (Core Libraries), which allows for the over-reading of buffers. This issue affects numerous versions across Connext Professional 7.x, 6.x, 5.x, and 4.x branches. Rated with a CVSS 4.0 score of 6.3 (Medium), it can be exploited remotely over the network with low attack complexity and no user interaction, potentially leading to low confidentiality and availability impacts. There is currently no evidence of active exploitation, nor are public exploit modules or proof-of-concept code available, and community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.3.0, <= 5.2.3CPE matchmatch criteria
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
>= 5.3.0, <= 5.3.1.45CPE matchmatch criteria
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
>= 6.0.0, <= 6.0.1.40CPE matchmatch criteria
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
>= 6.1.0, <= 6.1.2.27CPE matchmatch criteria
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*
>= 7.0.0, < 7.3.1.1CPE matchmatch criteria
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.3MEDIUM

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0016 is in the 1st percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

rti.com / vulnerabilities
Vendor Advisory