CVE-2026-86930CWE-125

CVE-2026-86930

Critical · published September 23, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
20.4
In the wild
Unconfirmed
What it is

An out-of-bounds read vulnerability in FileMaker Server for Linux allowed an attacker uploading a specially crafted image file to a container field to disclose process memory during thumbnail generation in FileMaker WebDirect. This vulnerability is addressed in FileMaker Server version 26.0.3.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00290 · 20.4th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-09-23T22:17Z
Affected products (1)
ProductVersionsFixed in
claris/filemaker_server< 26.0.326.0.3
References (1)
https://support.claris.com/s/answerview?anum=000049218&language=en_US · [email protected]
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 23 SEP 17:20Z
    An out-of-bounds read vulnerability in FileMaker Server for Linux allowed an attacker uploading a specially crafted image file to a container field to disclose…
    cvelistv5