CVE-2025-32034
Apollo Router Query Planner Vulnerable to Excessive Resource Consumption via Named Fragment Expansion
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
The Apollo Router Core is a configurable, high-performance graph router written in Rust to run a federated supergraph that uses Apollo Federation 2. Prior to 1.61.2 and 2.1.1, a vulnerability in Apollo Router allowed queries with deeply nested and reused named fragments to be prohibitively expensive to query plan, specifically during named fragment expansion. 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. This could lead to excessive resource consumption and denial of service. This has been remediated in apollo-router versions 1.61.2 and 2.1.1.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Deferred | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.56% · top 53% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
- affected < 1.61.2
- affected >= 2.0.0-alpha.0, < 2.1.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- crates.ioapollo-routerGHSA-75m2-jhh5-j5g2 (opens in a new tab)
References (3)
- https://github.com/apollographql/router/security/advisories/GHSA-75m2-jhh5-j5g2 (opens in a new tab)x_refsource_CONFIRM
- https://github.com/apollographql/router/commit/ab6675a63174715ea6ff50881fc957831d4e9564 (opens in a new tab)x_refsource_MISC
- https://github.com/apollographql/router/commit/bba032e183b861348a466d3123c7137a1ae18952 (opens in a new tab)x_refsource_MISC
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-75m2-jhh5-j5g2 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-32034)Record last updated .