CVE-2026-100373: open-metadata OpenMetadata

OpenMetadata through 2.0.2 SSRF via Webhook URL Validation Bypass

CVSS 5.1 MediumEPSS 0.0026 · 18th percentile

Published by the CVE Program (CNA: VulnCheck) at 25 Sept 2026, 19:38 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
open-metadata	OpenMetadata pkg:github/open-metadata/OpenMetadata	affected 2.0.2 and earlier semver Other versions: unaffected

Identifiers

CVE-2026-100373

CNA

VulnCheck

Weakness (CWE)

CWE-918

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.1	Medium	4.0	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	CNA (VulnCheck)Used for this record
4.1	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0026, the 18th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 25 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/open-metadata/OpenMetadata/issues/32592 issue-tracking
github.com/open-metadata/OpenMetadata/commit/8f44482ac89bad9227df5b7f79beca2efe50c05f patch
github.com/open-metadata/OpenMetadata/blob/2.0.2-release/openmetadata-service/src/main/java/org/openmetadata/service/util/URLValidator.java#L34-L47 technical-description
github.com/open-metadata/OpenMetadata product
www.vulncheck.com/advisories/openmetadata-through-2.0.2-ssrf-via-webhook-url-validation-bypass third-party-advisory
gist.github.com/naif-alfardan/8a69e0648e11b07abe63f949346179c1 exploitthird-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.