Configuration and Limit Bypass Vulnerability in Apollo Router Core from Apollo GraphQL
CVE-2025-32033

7.5HIGH

Key Information:

Vendor

Apollographql

Status
Router
Vendor
CVE Published:
7 April 2025

What is CVE-2025-32033?

The Apollo Router Core is a high-performance graph routing system designed for federated supergraphs using Apollo Federation 2. Earlier versions, specifically before 1.61.2 and 2.1.1, contained a vulnerability in the operation limits plugin that used unsigned 32-bit integers for tracking limit counters. If these counters exceeded 4,294,967,295, they'd wrap around to 0, allowing queries to bypass set thresholds. This issue could be triggered by large queries or even smaller ones featuring deeply nested named fragments, presenting potential risks in handling data queries.

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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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