What is CVE-2026-12975?

CVE-2026-12975 is a high-severity vulnerability in Red Hat Build Of Apicurio Registry 3, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.5/10. Published 2026-06-25.

How severe is CVE-2026-12975?

High severity. CVSS v3 base score is 8.5 out of 10.

XXE in Red Hat Build Of Apicurio Registry 3

CVE-2026-12975

A flaw was found in Apicurio Registry. The ContentTypeUtil.isParsableXml() method creates a SAXParserFactory without enabling secure processing features or disabling external entity resolution. An attacker with artifact-write permission (o…

Vulnerability class: XXE (XML External Entity)

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H.

Affected products

Red Hat Build Of Apicurio Registry 3

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-12975?: CVE-2026-12975 is a high-severity vulnerability in Red Hat Build Of Apicurio Registry 3, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.5/10. Published 2026-06-25.
How severe is CVE-2026-12975?: High severity. CVSS v3 base score is 8.5 out of 10.