{"id":"CVE-2026-59155","aliases":["GHSA-ww5p-j6cj-6mqq","GO-2026-5832"],"url":"https://o3.security/vulnerability/CVE-2026-59155","summary":"Nezha Monitoring: DDNS and Notification credential exposure via unredacted list API","details":"Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. Prior to 2.2.5, the GET /api/v1/ddns and GET /api/v1/notification endpoints return full resource objects including plaintext third-party API credentials, including Cloudflare API tokens, TencentCloud SecretKeys, Slack, Discord, and Telegram webhook URLs with embedded bot tokens, and Authorization header values, without any field-level redaction. Any authenticated admin or PAT with nezha:ddns:read or nezha:notification:read scope can receive stored credentials through the listDDNS and listNotification handlers in a single API response. This issue is fixed in version 2.2.5.","published":"2026-07-10T21:31:34.313Z","modified":"2026-08-07T11:51:29.250857555Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/nezhahq/nezha","fixedVersion":"2.2.5"}],"fix":{"url":"https://github.com/nezhahq/nezha/commit/39d398066d8c644fe452f74704e34ada6c7ab61e","label":"nezhahq/nezha@39d3980"},"references":[{"type":"WEB","url":"https://github.com/nezhahq/nezha/releases/tag/v2.2.5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59155.json"},{"type":"ADVISORY","url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-ww5p-j6cj-6mqq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59155"},{"type":"FIX","url":"https://github.com/nezhahq/nezha/commit/39d398066d8c644fe452f74704e34ada6c7ab61e"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:51:29.250857555Z"}}