5.3

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2026-32230

CVE-2026-32230: Uptime Kuma is Missing Authorization Checks on Ping Badge Endpoint, Leaks Ping times of monitors without needing to be on a status page

Uptime Kuma is an open source, self-hosted monitoring tool. From 2.0.0 to 2.1.3 , the GET /api/badge/:id/ping/:duration? endpoint in server/routers/api-router.js does not verify that the requested monitor belongs to a public group. All other badge endpoints check AND public = 1 in their SQL query before returning data. The ping endpoint skips this check entirely, allowing unauthenticated users to extract average ping/response time data for private monitors. This vulnerability is fixed in 2.2.0.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2026-32230

CVE-2026-32230:

5.3

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
uptime-kuma	npm	>= 2.0.0, <= 2.1.3	2.2.0

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability is a missing authorization check in the Express.js route handler for GET /api/badge/:id/ping/:duration? in server/routers/api-router.js. The function did not verify if the monitor ID in the URL belonged to a public status page. This allowed an unauthenticated attacker to enumerate monitor IDs and retrieve average ping times for private, internal-only monitors, potentially leaking information about internal network services. The patch rectifies this by adding a check using a new isMonitorPublic() helper function, ensuring that ping data is only disclosed for monitors explicitly marked as public. Other related badge endpoints already had this protection, but it was missing from the ping endpoint.

Vulnerable functions

router.get('/api/badge/:id/ping/:duration?')

server/routers/api-router.js

The route handler for `/api/badge/:id/ping/:duration?` was missing an authorization check to verify if a monitor was public before returning its ping data. This allowed an unauthenticated user to access ping information for private monitors.

Vulnerability Intelligence
Miggo AI

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WAF Rule

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Reasoning

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