High

Apollo Gateway Query Planner Vulnerable to Excessive Resource Consumption via Named Fragment Expansion

  • Disclosed: 07.04.2025
  • Updated: 11.10.2026 10:22

Impact

Summary

A vulnerability in Apollo Gateway allowed queries with deeply nested and reused named fragments to be prohibitively expensive to query plan, specifically during named fragment expansion. This could lead to excessive resource consumption and denial of service.

Details

Named fragments were being expanded once per fragment spread during query planning, leading to exponential resource usage when deeply nested and reused fragments were involved.

Fix/Mitigation

A new Query Fragment Expansion Limit metric has been introduced:

  • This metric computes the number of selections a query would have if its fragment spreads were fully expanded.
  • The metric is checked against a limit to prevent excessive computation.

Patches

This has been remediated in @apollo/gateway version 2.10.1.

Workarounds

No known direct workarounds exist.

References

Query Planning Documentation

Acknowledgements

We appreciate the efforts of the security community in identifying and improving the performance and security of query planning mechanisms.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package @apollo/gateway < 2.10.1 2.10.1

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-770
Platform
npm
Package
@apollo/gateway
Disclosed
07.04.2025
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-q2f9-x4p4-7xmh - CC BY 4.0

Vulnerability history: @apollo/gateway

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
5
First → latest
06.2019 03.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 4

Disclosures per year

  1. 2019: 1
  2. 2020: 0
  3. 2021: 0
  4. 2022: 0
  5. 2023: 0
  6. 2024: 1
  7. 2025: 2
  8. 2026: 1
  1. Critical · 9.9 CVE-2026-32621 < 2.9.6, >= 2.10.0, < 2.10.5, >= 2.11.0, < 2.11.6, >= 2.12.0, < 2.12.3, >= 2.13.0, < 2.13.2 2.9.6, 2.10.5, 2.11.6, 2.12.3, 2.13.2
  2. Apollo Gateway Query Planner Vulnerable to Excessive Resource Consumption via Named Fragment Expansion this entry
    High · 7.5 CVE-2025-32030 < 2.10.1 2.10.1
  3. High · 7.3 ghsa-74cr-77xc-8g6r < 0.6.2 0.6.2

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