Vulnerability · Published Jan 8, 2026 · Assigned by GitHub_M

CVE-2026-22244OpenMetadata Server-Side Template Injection (SSTI) in FreeMarker email templates that leads to RCE

High 8.5

In plain English

A high-severity security flaw in OpenMetadata from open-metadata. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.5High

Exploit odds (30 days)1.3%top 29.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	org.open-metadata:platform	1.11.4	GHSA-5f29-2333-h9c7

Affected products (as reported)

Vendor	Product	Versions
open-metadata	OpenMetadata	< 1.11.4

Weakness: CWE-1336 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

References

https://github.com/open-metadata/OpenMetadata/security/advisories/GHSA-5f29-2333-h9c7 x_refsource_CONFIRM
https://github.com/open-metadata/OpenMetadata/commit/bffe7c45807763f9b682021d4211c478d2a08bb3 x_refsource_MISC
https://github.com/open-metadata/OpenMetadata/commit/d17d13cee87db139e5d8f778547174f8ee341108 x_refsource_MISC