Auth bypass in IBM Engineering Lifecycle Management

CVE-2026-3660

IBM Engineering Lifecycle Management 7.0.3, 7.1.0, and 7.2.0 could allow an unauthenticated remote attacker to update server property files that would allow them to gain unauthorized access to the application.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% 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-2026-3660: held from 0.006 to 0.006.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3660?
CVE-2026-3660 is a critical-severity vulnerability in IBM Engineering Lifecycle Management, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2026-05-26.
How severe is CVE-2026-3660?
Critical severity. CVSS v3 base score is 9.8 out of 10.