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CVE-2026-111387— Nezha 2.2.5 before 2.3.15 Information Disclosure via DDNS List Endpoint

Quick assessment

Affected
nezhahq nezha
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

哪吒（Nezha）在 2.2.5 至 2.3.15 版本之间存在一个信息泄露漏洞，该漏洞允许经过身份验证的用户获取第三方凭据。由于 listDDNS 函数未对 WebhookURL 和 WebhookRequestBody 进行脱敏处理，拥有 nezha:ddns:read 权限范围的管理员或个人访问令牌（PAT）可以通过调用 GET /api/v1/ddns 接口，读取嵌入在每个用户 DDNS Webhook 配置文件中的明文令牌。

CVSS 6.5 · Medium EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 2

VendorProduct Version RangeStatus
nezhahq nezha 2.2.5< 2.3.15 affected
2.3.15 unaffected
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I. Basic Information for CVE-2026-111387

Vulnerability Information
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Vulnerability Title
Nezha 2.2.5 before 2.3.15 Information Disclosure via DDNS List Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Nezha from 2.2.5 before 2.3.15 contains an information disclosure vulnerability that allows authenticated users to retrieve third-party credentials because listDDNS omits WebhookURL and WebhookRequestBody redaction. Admins or PATs with nezha:ddns:read scope can call GET /api/v1/ddns to read cleartext tokens embedded in every user's DDNS webhook profiles.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的不恰当跨边界移除
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
nezhahq nezha 2.2.5 ~ 2.3.15 -

II. Public POCs for CVE-2026-111387

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111387

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Patches & Fixes for CVE-2026-111387 (1)

Vendor Advisories for CVE-2026-111387 (2)

Same Patch Batch · nezhahq · 2026-10-16 · 5 CVEs total

CVE-2026-111383 6.5 MEDIUM Nezha 2.0.13 before 2.3.15 Denial of Service via /api/v1/ws/transfer WebSocket
CVE-2026-111384 6.5 MEDIUM Nezha 1.0.0 before 2.3.15 Memory Exhaustion via File Manager WebSocket
CVE-2026-111385 4.8 MEDIUM Nezha 2.1.0 before 2.3.15 Host Header Injection via MCP Transfer Tools
CVE-2026-111386 4.3 MEDIUM Nezha 1.7.0 before 2.3.15 Cross-Tenant Server-ID Enumeration via getServerConfig

IV. Related Vulnerabilities

Same product: nezha
Same vendor: nezhahq
Same weakness: CWE-212

V. Comments for CVE-2026-111387

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