Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-22244
open-metadata OpenMetadata — OpenMetadata Server-Side Template Injection (SSTI) in FreeMarker email templates that leads to RCE
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N H N H H H 8.5 .0130 69.5 —
AFFECTED
Product Versions Fixed
OpenMetadata < 1.11.4 – —
TIMELINE
Jan 7 Reserved by GitHub_M
Jan 8 Published (CNA: GitHub_M)
Aug 31 EXPLOIT PUBLISHED — CVE-2026-22244 (open-metadata OpenMetadata). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| January 7, 2026 | Reserved | Reserved by GitHub_M |
| January 8, 2026 | Published | Published (CNA: GitHub_M) |
| August 31, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-22244 (open-metadata OpenMetadata). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| open-metadata | OpenMetadata | — | < 1.11.4 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-22244 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
