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Vulnerability record · CVE-2026-34976 · published 6 April 2026

CVE-2026-34976: Dgraph missing authorization vulnerability

Dgraph · Dgraph

Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing from the authorization middleware config (admin.go), making it completely unauthenticated. Unlike the similar restore mutation which requires Guardian-of-Galaxy authentication, restoreTenant executes with zero middleware. This mutation accepts attacker-controlled backup source URLs (including file:// for local filesystem access), S3/MinIO credentials, encryption key file paths, and Vault credential file paths. An unauthenticated attacker can overwrite the entire database, read server-side files, and perform SSRF. This vulnerability is fixed in 25.3.1.

10.0 CVSS 3.1 Critical EPSS 1.7% · top 24.4% CWE-862 · Missing authorization
10.0CVSS 3.1 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing from the authorization middleware config (admin.go), making it completely unauthenticated. Unlike the similar restore mutation which requires Guardian-of-Galaxy authentication, restoreTenant executes with zero middleware. This mutation accepts attacker-controlled backup source URLs (including file:// for local filesystem access), S3/MinIO credentials, encryption key file paths, and Vault credential file paths. An unauthenticated attacker can overwrite the entire database, read server-side files, and perform SSRF. This vulnerability is fixed in 25.3.1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/dgraph-io/dgraph/security/advisories/GHSA-p5rh-vmhp-gvcw ExploitVendor Advisory
https://github.com/dgraph-io/dgraph/security/advisories/GHSA-p5rh-vmhp-gvcw ExploitVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-34976), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.