CVE-2024-39895: Directus GraphQL Field Duplication Denial of Service (DoS)

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-07-08 · updated 2026-06-17
Weakness: CWE-400

Description

Directus is a real-time API and App dashboard for managing SQL database content. A denial of service (DoS) attack by field duplication in GraphQL is a type of attack where an attacker exploits the flexibility of GraphQL to overwhelm a server by requesting the same field multiple times in a single query. This can cause the server to perform redundant computations and consume excessive resources, leading to a denial of service for legitimate users. Request to the endpoint /graphql are sent when visualizing graphs generated at a dashboard. By modifying the data sent and duplicating many times the fields a DoS attack is possible. This vulnerability is fixed in 10.12.0.

Affected products

directus: before 10.12.0 — fixed in 10.12.0

How to fix

Upgrade to a fixed version: directus 10.12.0. Check the vendor advisory for mitigations.

References

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