CVE-2026-23897

HIGH

7.5

Description

Apollo Server is an open-source, spec-compliant GraphQL server that's compatible with any GraphQL client, including Apollo Client. In versions from 2.0.0 to 3.13.0, 4.2.0 to before 4.13.0, and 5.0.0 to before 5.4.0, the default configuration of startStandaloneServer from @apollo/server/standalone is vulnerable to denial of service (DoS) attacks through specially crafted request bodies with exotic character set encodings. This issue does not affect users that use @apollo/server as a dependency for integration packages, like @as-integrations/express5 or @as-integrations/next, only direct usage of startStandaloneServer.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/4/2026

Derniere modification3/18/2026

Sourcenvd

Observations honeypot0

Produits affectes

apollographql:apollo_server

Faiblesses (CWE)

CWE-1333

References

https://github.com/apollographql/apollo-server/commit/d25a5bdc377826ad424fcf7f8d1d062055911643(security-advisories@github.com)

https://github.com/apollographql/apollo-server/commit/e9d49d163a86b8a33be56ed27c494b9acd5400a4(security-advisories@github.com)

https://github.com/apollographql/apollo-server/security/advisories/GHSA-mp6q-xf9x-fwf7(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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