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TI-2026-15119 Aliases CVE-2026-18397GHSA-cq27-3937-pqqv

SConnect: Native Host Unauthenticated Remote Code Execution Vulnerability

Priority MEDIUM 42CWE-130Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-347.

Summary

This vulnerability enables unauthenticated remote code execution (RCE) on a victim's machine by exploiting a combination of cryptographic weaknesses and memory management issues in the SConnect native host component. The attack leverages an unrestricted messaging interface between an attacker-controlled web page and the native host, allowing malicious input to bypass security checks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00344 28th percentileScored 2026-11-07
Fix Fixed SConnect (Thales): 2.16.1.0

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
ThalesSConnectbefore 2.16.1.02.16.1.0Patch availableCNA
  • SConnect VendorThales Affected before 2.16.1.0 Fixed in 2.16.1.0 Patch available CNA

Remediation

  • Fix · CNA SConnect (Thales) Fixed in 2.16.1.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18397
  2. 2026-10-03 Alias added: GHSA-cq27-3937-pqqv

References

Advisory 1

  • TI-2021-12537 The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall… CVSS 3.1CRITICAL 9.8
  • TI-2026-83334 Unauthenticated Stack Buffer Overflow in Sentinel Keys Server CVSS 4.0CRITICAL 9.3
  • TI-2026-05969 Vulnerability on Cryptobox external sharing feature CVSS 4.0MEDIUM 6.9
  • TI-2024-00179 Privilege Escalation in Thales SafeNet Sentinel HASP LDK CVSS 3.1HIGH 7.8
  • TI-2023-06413 Privilege Escalation in SafeNet Authentication Client CVSS 3.1HIGH 7.8
  • TI-2023-05523 Privilege Escalation in SafeNet Authentication Client Installer CVSS 3.1HIGH 7.8
See all 24 →

Sources

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