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CVE-2026-100373mediumCWE-918

OpenMetadata through 2.0.2 SSRF via Webhook URL Validation Bypass

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.1epss 0.3%
exploitation probability
0.3%top 84% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
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
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.