Apollo Server

1 CVEs product

Monthly

CVE-2026-23897 HIGH PATCH This Week

Apollo Server's standalone mode (versions 2.0.0-3.13.0, 4.2.0-4.12.x, and 5.0.0-5.3.x) is vulnerable to denial of service attacks when processing GraphQL requests with non-standard character set encodings, allowing unauthenticated remote attackers to crash the service. This vulnerability only affects direct usage of startStandaloneServer and does not impact applications using Apollo Server through integration packages. No patch is currently available.

Denial Of Service Apollo Server
NVD GitHub VulDB
CVSS 3.1
7.5
EPSS
0.1%
CVE-2026-23897
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Apollo Server's standalone mode (versions 2.0.0-3.13.0, 4.2.0-4.12.x, and 5.0.0-5.3.x) is vulnerable to denial of service attacks when processing GraphQL requests with non-standard character set encodings, allowing unauthenticated remote attackers to crash the service. This vulnerability only affects direct usage of startStandaloneServer and does not impact applications using Apollo Server through integration packages. No patch is currently available.

Denial Of Service Apollo Server
NVD GitHub VulDB

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