What is CVE-2019-10249?

CVE-2019-10249 is a high-severity vulnerability in Eclipse Xtend, classified under Download of Code Without Integrity Check. CVSS score: 8.1/10. Published 2019-05-06.

How severe is CVE-2019-10249?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Eclipse Xtend

CVE-2019-10249

All Xtext & Xtend versions prior to 2.18.0 were built using HTTP instead of HTTPS file transfer and thus the built artifacts may have been compromised.

Published 2019-05-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000

Affected products

Eclipse Xtend
Eclipse Xtext
The Eclipse Foundation Xtext — versions unspecified

Weakness classification (CWE)

References

bugs.eclipse.org/bugs/show_bug.cgi (Issue Tracking, Vendor Advisory)
github.com/eclipse/xtext-xtend/issues/759 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2019-10249?: CVE-2019-10249 is a high-severity vulnerability in Eclipse Xtend, classified under Download of Code Without Integrity Check. CVSS score: 8.1/10. Published 2019-05-06.
How severe is CVE-2019-10249?: High severity. CVSS v3 base score is 8.1 out of 10.