Cyber Resilience

CVE-2026-43685

HighRCE

Published: 12 May 2026

Published
12 May 2026
Modified
14 May 2026
KEV Added
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Patch
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CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0031 54.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-43685 is a high-severity OS Command Injection (CWE-78) vulnerability in Claris Filemaker Cloud. Its CVSS base score is 7.2 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 45.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A Remote Code Execution vulnerability in Claris FileMaker Cloud allowed a user with Admin Console privileges to inject arbitrary operating system commands through unsanitized input in the External ODBC Data Source connection test feature. This issue is fixed in FileMaker…

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Cloud 2.22.0.5.

CWE(s)
CWE-78

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
Why these techniques?

CWE-78 OS command injection in public-facing admin feature directly enables RCE via Unix shell commands (T1190 + T1059.004).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2026-43680Same product: Claris Filemaker Cloud
CVE-2026-42454Shared CWE-78
CVE-2026-34796Shared CWE-78
CVE-2024-57016Shared CWE-78
CVE-2025-50475Shared CWE-78
CVE-2024-57015Shared CWE-78
CVE-2026-36828Shared CWE-78
CVE-2024-57595Shared CWE-78
CVE-2026-25196Shared CWE-78
CVE-2024-50566Shared CWE-78

Affected Assets

claris
filemaker cloud
≤ 2.22.0.5

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References