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  4. CVE 2026 18397 sconnect native host unauthenticated remote code
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Back to active CVEs
Critical · CVSS 9.4CVE-2026-18397

SConnect: Native Host Unauthenticated Remote Code Execution Vulnerability

Answer in brief

CVE-2026-18397 records a Critical severity (CVSS 9.4) vulnerability in SConnect: Native Host Unauthenticated Remote Code Execution Vulnerability. The current sources do not mark it as known exploited. The current feed maps Thales/SConnect (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 1, 2026Updated Oct 1, 2026Source checked Oct 2, 2026First seen by HOL Oct 1, 2026Material review Oct 1, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 9.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Thales/SConnect (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Thales/SConnectgeneric>=0 <2.16.1.02.16.1.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Thales/SConnect.
  2. 2Review the reported fix. Update Thales/SConnect to 2.16.1.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 1, 2026

Sources and claim methodology

  • Source referencethalesgroup.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Office-PowerPoint-MCP-Server through 2.0.7 Path Traversal via save_presentation and manage_imageSame generic ecosystem
  • Wormhole.app SSRFSame generic ecosystem
  • Physical UART Access Leading to an Unauthenticated Root Shell in TP-Link Kasa EC70 and EC71Same generic ecosystem
  • Out-of-bounds write in PeaZip PEA extractor allows code execution via a crafted .pea archiveSame generic ecosystem
  • Cadmos LTI exposure of sensitive information via debug modeSame generic ecosystem
  • Joyland AI hard-coded credentials for push notificationsSame generic ecosystem

Record context

Vulnerability class
RCE
EPSS
Not reported
CWE IDs
CWE-347, CWE-130, CWE-457, CWE-252
Source
CVE List V5
Source checked
Oct 2, 2026
References
1 linked source
Open source record