CVE-2026-35523
7.5 · HIGHOverview
CVE-2026-35523 is a high-severity vulnerability affecting strawberry strawberry_graphql. It was published on April 7, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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 processing start (subscription) messages. This allows a remote attacker to skip the on_ws_connect authentication hook entirely by connecting with the graphql-ws subprotocol and sending a start message directly, without ever sending connection_init. This vulnerability is fixed in 0.312.3.
Remediation
Check the references section for vendor advisories and patches from strawberry. Update strawberry_graphql to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| strawberry | strawberry_graphql | >= 0, < 0.312.3 | Affected |
Frequently Asked Questions
What is CVE-2026-35523?
CVE-2026-35523 is a high-severity vulnerability affecting strawberry strawberry_graphql. It was published on April 7, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2026-35523?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-35523?
Check the references section for vendor advisories and patches from strawberry. Update strawberry_graphql to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-35523?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-35523 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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