OSV-2025-436 Security exception in graphql.parser.GraphqlAntlrToLanguage.createNonNullType
A security exception in the GraphQL parser can cause a denial of service when processing malformed input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2025-436?
OSV-2025-436 is a denial of service vulnerability in graphql-java, published on 5 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=422217211
Crash type: Security exception
Crash state:
graphql.parser.GraphqlAntlrToLanguage.createNonNullType
graphql.parser.GraphqlAntlrToLanguage.createType
graphql.parser.GraphqlAntlrToLanguage.createListType
Which versions are affected by OSV-2025-436?
1 open source package ship an affected version, including graphql-java.
| Package | Affected | Fixed in |
|---|---|---|
graphql-java OSS-Fuzz | All versions | None |
How do I fix OSV-2025-436?
No fix has been published for OSV-2025-436 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is OSV-2025-436 being exploited?
There is no known exploitation of OSV-2025-436 in the wild and no public exploit code.