CVE-2026-111386

Medium

Description

Nezha from 1.7.0 before 2.3.15 contains an information disclosure vulnerability that allows authenticated members to enumerate other tenants' server IDs through differential responses. Attackers can sweep sequential IDs against getServerConfig and setServerConfig, distinguishing 'permission denied' from success payloads to map other users' servers.

SeverityMedium

CVSS4.3

Exploit probability—

ProductNezha

PublishedOct 16, 2026

First seenOct 16, 2026

Weakness typeCWE-204CWE-204

How to fix

Update

nezhahq nezha2.3.15 or later

Patches

github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0f

Vendor advisories

github.com/nezhahq/nezha/security/advisories/GHSA-228w-p4h4-6rvw

Affected products

Product	Affected versions	Fixed in
nezhahq nezha	1.7.0 ≤ v < 2.3.15	2.3.15

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.