Is strawberry-graphql affected by CVE-2026-35523?

PyPI strawberry-graphql is affected in <0.312.3.

Is CVE-2026-35523 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

high

CVE-2026-35523

Q: Is CVE-2026-35523 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

PyPI · strawberry-graphql

Summary

Strawberry GraphQL is a library for creating GraphQL APIs. Strawberry up until version 0.312.3 is vulnerable to an authentication bypass on WebSocket subscription endpoints. The legacy graphql-ws subprotocol handler does not verify that a connection_init handshake has been completed before processin

Severity: high
EPSS: 0.4% (p34)
Also known as: GHSA-vpwc-v33q-mq89, PYSEC-2026-133
Published: 2026-04-07

References

https://github.com/strawberry-graphql/strawberry/security/advisories/GHSA-vpwc-v33q-mq89

Related advisories

CVE-2026-35526 — high · PyPI/strawberry-graphql
CVE-2026-47707 — medium · PyPI/strawberry-graphql
CVE-2026-47706 — medium · PyPI/strawberry-graphql

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.