# Claris FileMaker Server vulnerabilities

Source: https://junglewise.ai/threats/technologies/filemaker-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/filemaker-server.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Claris FileMaker Server: 0 in the last 7 days and 3 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-86934, was published on 23 September 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before. 0 critical against 2.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 4 (2 critical, 0 exploited in the wild)

## About Claris FileMaker Server

Claris database server software for centralized data management and multi-user access.

## Latest Claris FileMaker Server vulnerabilities

- [CVE-2026-86934: FileMaker Server authorization bypass in Web Publishing Engine](https://junglewise.ai/threats/cve-2026-86934-an-authorization-bypass-vulnerability-in-the-filemaker-server-web) (critical, CVSS 9.1, published 23 Sep 2026)
- [CVE-2026-86930: FileMaker Server out-of-bounds read in image processing](https://junglewise.ai/threats/cve-2026-86930-an-out-of-bounds-read-vulnerability-in-filemaker-server-for-linux) (critical, CVSS 9.1, published 23 Sep 2026)
- [CVE-2026-86926: Claris FileMaker Server heap buffer overflow in database block parsing](https://junglewise.ai/threats/cve-2026-86926-a-heap-buffer-overflow-vulnerability-in-the-filemaker-server) (high, CVSS 7.8, published 23 Sep 2026)
- [CVE-2026-43752: Claris FileMaker Server code execution in Open Source LLM setup](https://junglewise.ai/threats/cve-2026-43752-claris-filemaker-server-code-execution-in-open-source-llm-setup) (info, published 9 Jul 2026)

## Most severe Claris FileMaker Server vulnerabilities

- [CVE-2026-86934: FileMaker Server authorization bypass in Web Publishing Engine](https://junglewise.ai/threats/cve-2026-86934-an-authorization-bypass-vulnerability-in-the-filemaker-server-web) (critical, CVSS 9.1, published 23 Sep 2026)
- [CVE-2026-86930: FileMaker Server out-of-bounds read in image processing](https://junglewise.ai/threats/cve-2026-86930-an-out-of-bounds-read-vulnerability-in-filemaker-server-for-linux) (critical, CVSS 9.1, published 23 Sep 2026)
- [CVE-2026-86926: Claris FileMaker Server heap buffer overflow in database block parsing](https://junglewise.ai/threats/cve-2026-86926-a-heap-buffer-overflow-vulnerability-in-the-filemaker-server) (high, CVSS 7.8, published 23 Sep 2026)
- [CVE-2026-43752: Claris FileMaker Server code execution in Open Source LLM setup](https://junglewise.ai/threats/cve-2026-43752-claris-filemaker-server-code-execution-in-open-source-llm-setup) (info, published 9 Jul 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 3 vulnerabilities in the four before. 0 critical against 2.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 3 | 2 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Claris FileMaker Server vulnerabilities", https://junglewise.ai/threats/technologies/filemaker-server, 9 November 2026.