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

January 7, 2026 (updated January 20, 2026)

CRITICAL Remote Code Execution vulnerability confirmed in OpenMetadata v1.11.2 via Server-Side Template Injection (SSTI) in FreeMarker email templates.

References

github.com/advisories/GHSA-5f29-2333-h9c7
github.com/open-metadata/OpenMetadata
github.com/open-metadata/OpenMetadata/commit/bffe7c45807763f9b682021d4211c478d2a08bb3
github.com/open-metadata/OpenMetadata/security/advisories/GHSA-5f29-2333-h9c7
nvd.nist.gov/vuln/detail/CVE-2026-22244

Code Behaviors & Features

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