Denial of Service Vulnerability in Apollo Router Core by Apollo GraphQL
CVE-2025-32032

7.5HIGH

Key Information:

Vendor

Apollographql

Status
Router
Vendor
CVE Published:
7 April 2025

What is CVE-2025-32032?

Apollo Router Core, a high-performance graph router built in Rust, contains a vulnerability that allows queries with deeply nested and reused named fragments to create excessive load during query planning. This flaw bypasses internal optimizations of the query planner, causing significant delays in processing and leading to potential denial of service. The absence of a timeout mechanism allows these costly queries to consume available threads, ultimately rendering the router inoperative. Users are encouraged to upgrade to Apollo Router versions 1.61.2 or 2.1.1 to mitigate this issue.

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Deploy the Patch

Affected Version(s)

router < 1.61.2 < 1.61.2

router >= 2.0.0-alpha.0, < 2.1.1 < 2.0.0-alpha.0, 2.1.1

References

https://github.com/apollographql/router/security/advisori...
x_refsource_CONFIRM
https://github.com/apollographql/router/commit/ab6675a631...
x_refsource_MISC
https://github.com/apollographql/router/commit/bba032e183...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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