{"id":"CVE-2026-32230","aliases":["EUVD-2026-11665","GHSA-c7hf-c5p5-5g6h"],"status":"published","title":"Uptime Kuma is Missing Authorization Checks on Ping Badge Endpoint, Leaks Ping times of monitors without needing to be on a status page","description":"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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00981,"percentile":0.62489,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2026-03-12T14:47:39Z","modified":"2026-10-28T02:30:23Z","exploits":[{"source":"nuclei","id":"CVE-2026-32230","title":"Uptime-Kuma \u003c v1.23.0 - Improper Access Control","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-32230.yaml"}],"fixes":[{"ecosystem":"npm","package":"uptime-kuma","fixed_in":["2.2.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"uptime-kuma","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"last_affected":"2.1.3"},{"fixed":"2.2.0"}]}]},{"source":"osv","ecosystem":"npm","package":"uptime-kuma","ranges":[{"type":"SEMVER","events":[{"introduced":"2.0.0"},{"fixed":"2.2.0"}]}]}],"products":[{"vendor":"louislam","product":"uptime-kuma"},{"vendor":"uptime.kuma","product":"uptime_kuma"}],"references":[{"url":"https://github.com/louislam/uptime-kuma/security/advisories/GHSA-c7hf-c5p5-5g6h","tags":["x_refsource_CONFIRM","exploit","Exploit","Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://github.com/louislam/uptime-kuma/issues/7038","tags":["x_refsource_MISC","Issue Tracking","report","web"]},{"url":"https://github.com/louislam/uptime-kuma/issues/7135","tags":["x_refsource_MISC","Issue Tracking","report","web"]},{"url":"https://github.com/louislam/uptime-kuma/commit/303a609c05d0b174a5045c90f53c2b557d4febae","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.2.0","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32230","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c7hf-c5p5-5g6h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32230.json","tags":["advisory"]},{"url":"https://github.com/louislam/uptime-kuma","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-32230","title":"Uptime Kuma is Missing Authorization Checks on Ping Badge Endpoint, Leaks Ping times of monitors without needing to be on a status page","description":"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.","status":"published","published":"2026-03-12T18:13:58.543Z","modified":"2026-03-13T16:19:12.948Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:57.47301Z"}],"euvd":[{"id":"EUVD-2026-11665","description":"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.","status":"published","published":"2026-03-12T18:13:58Z","modified":"2026-03-13T16:19:12Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:35.010093Z"}],"ghsa":[{"id":"GHSA-c7hf-c5p5-5g6h","title":"Uptime Kuma is Missing Authorization Checks on Ping Badge Endpoint, Leaks Ping times of monitors without needing to be on a status page","description":"## Summary\n\nThe `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.\n\n## Affected Code\n\nFile: `server/routers/api-router.js`, approximately line 304\n\nThe ping badge endpoint directly calls `UptimeCalculator.getUptimeCalculator(requestedMonitorId)` without first checking if the monitor is public. Compare with the status badge endpoint (~line 148) which correctly queries:\n```sql\nSELECT monitor_group.monitor_id FROM monitor_group, `group`\nWHERE monitor_group.group_id = `group`.id\nAND monitor_group.monitor_id = ?\nAND public = 1\n```\n\n## Protected vs Vulnerable Endpoints\n\n| Endpoint | Has public=1 check? |\n|----------|-------------------|\n| /api/badge/:id/status | Yes |\n| /api/badge/:id/uptime/:duration? | Yes |\n| /api/badge/:id/avg-response/:duration? | Yes |\n| /api/badge/:id/cert-exp | Yes |\n| /api/badge/:id/response | Yes |\n| /api/badge/:id/ping/:duration? | **No — vulnerable** |\n\n## PoC\n\n1. Install Uptime Kuma (tested on latest v2 stable via Docker)\n2. Create an HTTP(s) monitor (e.g., monitoring http://localhost:3001)\n3. Do NOT add the monitor to any public status page or group\n4. Wait for heartbeats to accumulate (~5 minutes)\n5. Query unauthenticated:\n```bash\ncurl http://localhost:3001/api/badge/1/status   → returns N/A (correct, monitor is private)\ncurl http://localhost:3001/api/badge/1/ping/24  → returns \"Avg. Ping (24h): 10ms\" (LEAKED)\n```\n\n## Impact\n\nAn unauthenticated attacker can:\n- Enumerate private monitor IDs\n- Extract average response time data for private monitors\n- Infer existence and reachability of internal monitored services\n\n## Suggested Fix\n\nAdd the same public monitor check before the UptimeCalculator call:\n```javascript\nlet publicMonitor = await R.getRow(`\n    SELECT monitor_group.monitor_id FROM monitor_group, \\`group\\`\n    WHERE monitor_group.group_id = \\`group\\`.id\n    AND monitor_group.monitor_id = ?\n    AND public = 1\n`, [requestedMonitorId]);\n\nif (!publicMonitor) {\n    badgeValues.message = \"N/A\";\n    badgeValues.color = badgeConstants.naColor;\n}\n```\n\n\u003cimg width=\"1228\" height=\"710\" alt=\"Screenshot 2026-02-24 at 4 49 40 PM\" src=\"https://github.com/user-attachments/assets/80aeae2d-be08-449f-8b39-c50da7aaedba\" /\u003e\n\n\u003cimg width=\"1271\" height=\"770\" alt=\"File Alons til View He\" src=\"https://github.com/user-attachments/assets/d50c9a00-282a-4b79-b5e1-f77afde9223a\" /\u003e","status":"published","published":"2026-03-12T14:47:39Z","modified":"2026-03-13T13:35:41Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:39:35.644357Z"}],"nvd":[{"id":"CVE-2026-32230","description":"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.","status":"published","published":"2026-03-12T19:16:16.82Z","modified":"2026-06-17T10:35:23.443Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:09.358914Z"}],"osv":[{"id":"CVE-2026-32230","title":"Uptime Kuma is Missing Authorization Checks on Ping Badge Endpoint, Leaks Ping times of monitors without needing to be on a status page","description":"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.","status":"published","published":"2026-03-12T18:13:58.543Z","modified":"2026-10-28T02:30:23.646178165Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:01.218144Z"},{"id":"GHSA-c7hf-c5p5-5g6h","title":"Uptime Kuma is Missing Authorization Checks on Ping Badge Endpoint, Leaks Ping times of monitors without needing to be on a status page","description":"## Summary\n\nThe `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.\n\n## Affected Code\n\nFile: `server/routers/api-router.js`, approximately line 304\n\nThe ping badge endpoint directly calls `UptimeCalculator.getUptimeCalculator(requestedMonitorId)` without first checking if the monitor is public. Compare with the status badge endpoint (~line 148) which correctly queries:\n```sql\nSELECT monitor_group.monitor_id FROM monitor_group, `group`\nWHERE monitor_group.group_id = `group`.id\nAND monitor_group.monitor_id = ?\nAND public = 1\n```\n\n## Protected vs Vulnerable Endpoints\n\n| Endpoint | Has public=1 check? |\n|----------|-------------------|\n| /api/badge/:id/status | Yes |\n| /api/badge/:id/uptime/:duration? | Yes |\n| /api/badge/:id/avg-response/:duration? | Yes |\n| /api/badge/:id/cert-exp | Yes |\n| /api/badge/:id/response | Yes |\n| /api/badge/:id/ping/:duration? | **No — vulnerable** |\n\n## PoC\n\n1. Install Uptime Kuma (tested on latest v2 stable via Docker)\n2. Create an HTTP(s) monitor (e.g., monitoring http://localhost:3001)\n3. Do NOT add the monitor to any public status page or group\n4. Wait for heartbeats to accumulate (~5 minutes)\n5. Query unauthenticated:\n```bash\ncurl http://localhost:3001/api/badge/1/status   → returns N/A (correct, monitor is private)\ncurl http://localhost:3001/api/badge/1/ping/24  → returns \"Avg. Ping (24h): 10ms\" (LEAKED)\n```\n\n## Impact\n\nAn unauthenticated attacker can:\n- Enumerate private monitor IDs\n- Extract average response time data for private monitors\n- Infer existence and reachability of internal monitored services\n\n## Suggested Fix\n\nAdd the same public monitor check before the UptimeCalculator call:\n```javascript\nlet publicMonitor = await R.getRow(`\n    SELECT monitor_group.monitor_id FROM monitor_group, \\`group\\`\n    WHERE monitor_group.group_id = \\`group\\`.id\n    AND monitor_group.monitor_id = ?\n    AND public = 1\n`, [requestedMonitorId]);\n\nif (!publicMonitor) {\n    badgeValues.message = \"N/A\";\n    badgeValues.color = badgeConstants.naColor;\n}\n```\n\n\u003cimg width=\"1228\" height=\"710\" alt=\"Screenshot 2026-02-24 at 4 49 40 PM\" src=\"https://github.com/user-attachments/assets/80aeae2d-be08-449f-8b39-c50da7aaedba\" /\u003e\n\n\u003cimg width=\"1271\" height=\"770\" alt=\"File Alons til View He\" src=\"https://github.com/user-attachments/assets/d50c9a00-282a-4b79-b5e1-f77afde9223a\" /\u003e","status":"published","published":"2026-03-12T14:47:39Z","modified":"2026-03-14T01:56:21.433472Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:46:44.571161Z"}]}}