Medium 6.9Published Jul 10, 2026

CVE-2026-59155Nezha Monitoring: DDNS and Notification credential exposure via unredacted list API

Updated under an hour ago (Oct 26, 2026, 6:00 PM ET)

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Exploited in the last 30 days

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.

CVSS: 6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Jul 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

nezhahq nezha nezhahq:nezha (from the name)	before 2.2.5	CNA record

References

References

https://github.com/nezhahq/nezha/security/advisories/GHSA-ww5p-j6cj-6mqq	x-refsource-confirm
https://github.com/nezhahq/nezha/commit/39d398066d8c644fe452f74704e34ada6c7ab61e	x-refsource-misc
https://github.com/nezhahq/nezha/releases/tag/v2.2.5	x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.