CVE-2026-22244

OpenMetadata is a unified metadata platform. Versions 1.5.0 through 1.11.3 are vulnerable to remote code execution via Server-Side Template Injection (SSTI) in FreeMarker email templates. An attacker must have administrative privileges to exploit the vulnerability. Version 1.11.4 contains a patch.

What this means for your business

It affects Open-Metadata Openmetadata. It matters if your company, or a supplier that handles your data, runs it.
Code showing how to exploit it has been published, but real attacks have not been confirmed.
An attacker can use it remotely, over a network, with an administrator login, and without anyone at your company clicking anything.
FIRST's prediction model gives it a 1% chance of attack attempts being seen in the next 30 days, ranking above 64% of all known flaws.

What to do

1Check whether your company or your suppliers run Open-Metadata Openmetadata, and which version. The affected versions are listed further down this page.
2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

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Scoring

CVSS: 7.2 (v3.1)
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4: 8.5
Weakness: CWE-1336
Assigned by: security-advisories@github.com

Dates

Published: 2026-01-08
Last modified: 2026-08-31
Sources: NVD

Affected products

Open-Metadata Openmetadata- 1.11.4

As listed in the NVD configuration data. Not a statement about your estate.