OpenMetadata Server-Side Template Injection (SSTI) in FreeMarker email templates that leads to RCE
Priority HIGH 72CWE-1336Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-1336.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01285 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed OpenMetadata (open-metadata): 1.11.4org.open-metadata:platform (Maven): 1.11.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| open-metadata | OpenMetadata | before 1.11.4 | 1.11.4 | Patch available | CNA |
| — | org.open-metadata:platform (Maven) | 1.5.0 to before 1.11.4 | 1.11.4 | Patch available | GHSA-5f29-2333-h9c7 |
- OpenMetadata Vendoropen-metadata Affected before 1.11.4 Fixed in 1.11.4 Patch available CNA
- org.open-metadata:platform (Maven) Vendor— Affected 1.5.0 to before 1.11.4 Fixed in 1.11.4 Patch available GHSA-5f29-2333-h9c7
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:open-metadata:openmetadata:*:*:*:*:*:*:*:* | before 1.11.4 | Vulnerable | open-metadata |
- cpe:2.3:a:open-metadata:openmetadata:*:*:*:*:*:*:*:* Versions before 1.11.4 Vulnerable ·open-metadata
Remediation
- Fix · CNA OpenMetadata (open-metadata) Fixed in 1.11.4
- Fix · GHSA-5f29-2333-h9c7 org.open-metadata:platform (Maven) Fixed in 1.11.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-22244
- 2026-10-03 Alias added: GHSA-5f29-2333-h9c7
References
Patch 1
More open-metadata Openmetadata vulnerabilities
- TI-2024-18814 Authentication Bypass in OpenMetadata CVSS 3.1CRITICAL 9.8
- TI-2024-19050 SpEL Injection in `GET /api/v1/policies/validation/condition/<expr>` in OpenMetadata CVSS 3.1HIGH 8.8
- TI-2024-19049 SpEL Injection in `PUT /api/v1/events/subscriptions` in OpenMetadata CVSS 3.1HIGH 8.8
- TI-2024-18813 SpEL Injection in `GET /api/v1/events/subscriptions/validation/condition/<expr>` in OpenMetadata CVSS 3.1HIGH 8.8
- TI-2024-36809 OpenMetadata <=1.4.1 is vulnerable to SQL Injection. CVSS 3.1HIGH 8.8
- TI-2026-21024 Leaky JWTs in OpenMetadata exposing highly-privileged bot users CVSS 3.1HIGH 7.6
Sources
- CVE-2026-22244 · CVE Program
- CVE-2026-22244 · NVD
- FIRST EPSS
- GHSA-5f29-2333-h9c7 · GitHub Advisory Database · CC BY 4.0
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