What is CVE-2026-84672?

CVE-2026-84672 is a high-severity vulnerability in Jenkins Project Microsoft Entra Id (Previously Azure Ad) Plugin, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-09-02.

How severe is CVE-2026-84672?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Jenkins Project Microsoft Entra Id (Previously Azure Ad) Plugin

CVE-2026-84672

Jenkins Microsoft Entra ID (previously Azure AD) Plugin 710.v0b_ff8e9cc2d2 and earlier grants Entra group permissions using both the group's unique object ID and its display name, allowing attackers who can create an Entra group with a colliding display name to gain the permissions configured for a privileged group.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jenkins Project Microsoft Entra Id (Previously Azure Ad) Plugin

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

jenkinsci-cert@googlegroups.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-84672?: CVE-2026-84672 is a high-severity vulnerability in Jenkins Project Microsoft Entra Id (Previously Azure Ad) Plugin, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-09-02.
How severe is CVE-2026-84672?: High severity. CVSS v3 base score is 8.8 out of 10.