CVE-2023-28867 — In GraphQL Java (aka graphql-java) before 20

In GraphQL Java (aka graphql-java) before 20.1, an attacker can send a crafted GraphQL query that causes stack consumption. The fixed versions are 20.1, 19.4, 18.4, 17.5, and 0.0.0-2023-03-20T01-49-44-80e3135.

01What is this vulnerability?

In GraphQL Java (aka graphql-java) before 20.1, an attacker can send a crafted GraphQL query that causes stack consumption. The fixed versions are 20.1, 19.4, 18.4, 17.5, and 0.0.0-2023-03-20T01-49-44-80e3135.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-27T00:00:00.000Z
• Last modified: 2025-02-19T15:25:51.090Z

09References

• github.com — https://github.com/graphql-java/graphql-java/pull/3112
• github.com — https://github.com/graphql-java/graphql-java/releases/tag/v17.5
• github.com — https://github.com/graphql-java/graphql-java/releases/tag/v18.4
• github.com — https://github.com/graphql-java/graphql-java/releases/tag/v19.4
• github.com — https://github.com/graphql-java/graphql-java/releases/tag/v20.1