Resource exhaustion in Apollographql Apollo-Rs

CVE-2025-31496

apollo-compiler is a query-based compiler for the GraphQL query language. Prior to 1.27.0, a vulnerability in Apollo Compiler allowed queries with deeply nested and reused named fragments to be prohibitively expensive to validate. Named fragments were being processed once per fragment spread in some cases during query validation, leading to exponential resource usage when deeply nested and reused fragments were involved. This could lead to excessive resource consumption and denial of service in applications. This vulnerability is fixed in 1.27.0.

EPSS: 0.004 (33.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-31496?
CVE-2025-31496 is a high-severity vulnerability in Apollographql Apollo-Rs, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-04-07.
How severe is CVE-2025-31496?
High severity. CVSS v3 base score is 7.5 out of 10.