XXE in IBM Engineering Lifecycle Management

CVE-2026-3603

IBM Engineering Lifecycle Management 7.0.3 Interim Fix 001 through  Interim Fix 021, 7.1.0  Interim Fix 001 through  Interim Fix 009, and 7.2.0 and 7.2.0 Interim Fix 001 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. An authenticated attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

Vulnerability class: XXE (XML External Entity)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (33.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-3603: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3603?
CVE-2026-3603 is a high-severity vulnerability in IBM Engineering Lifecycle Management, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.1/10. Published 2026-05-26.
How severe is CVE-2026-3603?
High severity. CVSS v3 base score is 7.1 out of 10.