CVE-2026-102748— Dgraph: Zero Unauthenticated HTTP Admin removeNode Denial of Service
一分钟漏洞结论
影响对象
dgraph-io dgraph
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Dgraph is an open source distributed GraphQL database. Prior to 25.4.0, Dgraph Zero registers administrative HTTP routes on port 6080 without authentication when the administrative interface is enabled. The /removeNode route accepts attacker-controlled id and
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一、 漏洞 CVE-2026-102748 基础信息
漏洞信息
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Vulnerability Title
Dgraph: Zero Unauthenticated HTTP Admin removeNode Denial of Service
来源: CVE Program / CVE List V5
Vulnerability Description
Dgraph is an open source distributed GraphQL database. Prior to 25.4.0, Dgraph Zero registers administrative HTTP routes on port 6080 without authentication when the administrative interface is enabled. The /removeNode route accepts attacker-controlled id and group values and passes them to Server.RemoveNode, where group 0 can trigger ProposePeerRemoval. A remote unauthenticated attacker who can reach the Zero HTTP port can read topology through /state, allocate identifiers through /assign, access the exposed /moveTablet administrative route, or remove membership through /removeNode, disrupting the Zero control plane and destabilizing Alpha nodes that depend on Zero. The route registration occurs in dgraph/cmd/zero/run.go, and the demonstrated membership-removal path reaches Server.RemoveNode and ProposePeerRemoval. This issue is fixed in version 25.4.0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:H
来源: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-102748 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
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CVE-2026-102748 其他参考 (3)
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https://github.com/dgraph-io/dgraph/releases/tag/v25.4.0 x_refsource_MISC
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https://github.com/dgraph-io/dgraph/security/advisories/GHSA-qj98-gp63-54xj x_refsource_CONFIRM
IV. Related Vulnerabilities
Same weakness: CWE-306
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