CVE-2026-86678 Broken Authentication vulnerability
A low-privileged user can steal an administrator's API key to perform administrator-level actions in ManageEngine Applications Manager.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86678?
CVE-2026-86678 is a high-severity authentication bypass vulnerability in Zohocorp ManageEngine Applications Manager, published on 23 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-86678?
How do I fix CVE-2026-86678?
No fix has been published for CVE-2026-86678 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-86678 being exploited?
There is no known exploitation of CVE-2026-86678 in the wild and no public exploit code.
Sources
Also known as GHSA-rvc4-j32g-7vv5.