What is CVE-2019-12996?

CVE-2019-12996 is a medium-severity vulnerability in Mendix, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2019-09-10.

How severe is CVE-2019-12996?

Medium severity. CVSS v3 base score is 5.3 out of 10.

SSRF in Mendix

CVE-2019-12996

In Mendix 7.23.5 and earlier, issue in XML import mappings allow DOCTYPE declarations in the XML input that is potentially unsafe.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2019-09-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Mendix

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

docs.mendix.com/releasenotes/studio-pro/7.23 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2019-12996?: CVE-2019-12996 is a medium-severity vulnerability in Mendix, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2019-09-10.
How severe is CVE-2019-12996?: Medium severity. CVSS v3 base score is 5.3 out of 10.