OpenMetadata through 2.0.2 contains a server-side request forgery vulnerability in the URLValidator.validateURL function that fails to properly resolve DNS hostnames and validate internal addresses. Users permitted to create or update EventSubscription can set webhook destinations to internal hosts, allowing the server to send requests to private networks and cloud metadata endpoints while returning HTTP status codes that enable blind SSRF probing.

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History

Fri, 25 Sep 2026 19:45:00 +0000

Type Values Removed Values Added
Description OpenMetadata through 2.0.2 contains a server-side request forgery vulnerability in the URLValidator.validateURL function that fails to properly resolve DNS hostnames and validate internal addresses. Users permitted to create or update EventSubscription can set webhook destinations to internal hosts, allowing the server to send requests to private networks and cloud metadata endpoints while returning HTTP status codes that enable blind SSRF probing.
Title OpenMetadata through 2.0.2 SSRF via Webhook URL Validation Bypass
First Time appeared Open-metadata
Open-metadata openmetadata
Weaknesses CWE-918
CPEs cpe:2.3:a:open-metadata:openmetadata:*:*:*:*:*:*:*:*
Vendors & Products Open-metadata
Open-metadata openmetadata
References
Metrics cvssV3_1

{'score': 4.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-25T20:37:23.124Z

Reserved: 2026-09-25T19:26:00.046Z

Link: CVE-2026-100373

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-09-25T20:17:06.293

Modified: 2026-09-25T20:17:06.427

Link: CVE-2026-100373

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses