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 · last modified .

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

EPSS: 0.017 (77.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.5% 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-2026-86678: rose from 0.007 to 0.017.

EPSS over last 30 days · oldest: 0.007 · newest: 0.017 · change: +0.010

Affected products

Weakness classification (CWE)

References

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.