What is CVE-2026-86678?

CVE-2026-86678 is a high-severity vulnerability in Zohocorp Manageengine Applications Manager, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-09-23.

How severe is CVE-2026-86678?

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

Auth bypass in Zohocorp Manageengine Applications Manager

CVE-2026-86678

ZohoCorp ManageEngine Applications Manager versions 182000 and below allowed a low-privileged user to obtain an administrator’s API key and use it to perform administrator-level actions.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-09-23 · last modified 2026-09-24.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Zohocorp Manageengine Applications Manager

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

0fc0942c-577d-436f-ae8e-945763c79b02

Frequently asked questions

What is CVE-2026-86678?: CVE-2026-86678 is a high-severity vulnerability in Zohocorp Manageengine Applications Manager, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-09-23.
How severe is CVE-2026-86678?: High severity. CVSS v3 base score is 8.8 out of 10.