CVE-2026-40173— Dgraph: Unauthenticated pprof endpoint leaks admin auth token
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I. Basic Information for CVE-2026-40173
Vulnerability Information
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Vulnerability Title
Dgraph: Unauthenticated pprof endpoint leaks admin auth token
Source: NVD (National Vulnerability Database)
Vulnerability Description
Dgraph is an open source distributed GraphQL database. Versions 25.3.1 and prior contain an unauthenticated credential disclosure vulnerability where the /debug/pprof/cmdline endpoint is registered on the default mux and reachable without authentication, exposing the full process command line including the admin token configured via the --security "token=..." startup flag. An attacker can retrieve the leaked token and reuse it in the X-Dgraph-AuthToken header to gain unauthorized access to admin-only endpoints such as /admin/config/cache_mb, bypassing the adminAuthHandler token validation. This enables unauthorized privileged administrative access including configuration changes and operational control actions in any deployment where the Alpha HTTP port is reachable by untrusted parties. This issue has been fixed in version 25.3.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Dgraph 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dgraph是Dgraph开源的一个具有图形后端的水平可扩展分布式 GraphQL 数据库。 Dgraph 25.3.1及之前版本存在安全漏洞，该漏洞源于未经验证的凭据泄露问题，可能导致未经授权的特权管理访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
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Affected Products
II. Public POCs for CVE-2026-40173
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IV. Related Vulnerabilities
Same product: dgraph
- CVE-2026-41492
Unauthenticated Admin Token Disclosure Leading to Authentica - CVE-2026-41327
Dgraph: Pre-Auth Full Database Exfiltration via DQL Injectio - CVE-2026-41328
Dgraph: Pre-Auth Full Database Exfiltration via DQL Injectio - CVE-2026-34976
Dgraph Affected by Pre-Auth Database Overwrite + SSRF + File - CVE-2023-31135
Dgraph Audit Log Encryption nonce reuse
Same vendor: dgraph-io
- CVE-2026-41492
Unauthenticated Admin Token Disclosure Leading to Authentica - CVE-2026-41327
Dgraph: Pre-Auth Full Database Exfiltration via DQL Injectio - CVE-2026-41328
Dgraph: Pre-Auth Full Database Exfiltration via DQL Injectio - CVE-2026-34976
Dgraph Affected by Pre-Auth Database Overwrite + SSRF + File - CVE-2023-31135
Dgraph Audit Log Encryption nonce reuse
Same weakness: CWE-200
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quarkus-openapi-generator has overly broad path-parameter ma - CVE-2026-8198
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