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Advisory record · GHSA-qj98-gp63-54xj

Dgraph: Zero Unauthenticated HTTP Admin removeNode Denial of Service

CVSS 9.2 CriticalCriticalEPSS 0.0062 · 49th percentile

Critical, because:

  • CVSS score 9.2: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 15 Oct 2026, 20:17 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/dgraph-io/dgraph/v25Go<25.4.025.4.0
Identifiers
GHSA-qj98-gp63-54xj · CVE-2026-102748
Weakness (CWE)
CWE-306 · CWE-862
Tags
Published
15 Oct 2026
Updated
15 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Dgraph (Go module github.com/dgraph-io/dgraph/v25) versions before 25.4.0 expose Zero's HTTP administrative endpoints without authentication when the HTTP port 6080 is reachable. A remote attacker with network access to that port can read cluster state and call the removeNode route, which can disrupt the Zero control plane and cause Alpha nodes to repeatedly fail to reconnect. Upgrade to version 25.4.0 or later. Restrict network access to port 6080 or disable the Zero admin HTTP interface until upgraded.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.2 Critical 4.0 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 CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0062, the 49th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:12 UTC First seen by agentprime
  2. 31 Oct 2026, 14:12 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.