CVE-2026-23746 describes a critical insecure .NET Remoting vulnerability in Entrust Instant Financial Issuance (IFI) On Premise software versions 5.x (prior to 6.10.5) and 6.x (prior to 6.11.1). An unauthenticated, remote attacker can exploit this flaw by reaching the exposed remoting port, allowing them to read arbitrary files, coerce outbound authentication, and potentially achieve arbitrary file write and remote code execution. This vulnerability carries a CVSS score of 9.3 (CRITICAL) due to its network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community attention with 10 mentions, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Entrust Corporation | Instant Financial Issuance (IF) | >= 6.0, < 6.10.5, >= 6.0, < 6.11.1, 5.0CNA affecteddefault unaffected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.