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.

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

EPSS: 0.000 (13.6th percentile) — read the EPSS interpretation.

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.

Affected products

Ibm Engineering Lifecycle Management — versions 7.0.3, 7.1.0, 7.2.0
Ibm Engineering_lifecycle_management — versions 7.0.3, 7.1.0, 7.2.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

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.