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CVE-2026-42333

Published May 9, 2026 CWE-200 EPSS 0.40% (33th pctl)

Overview

CVE-2026-42333 is a known-severity vulnerability. It was published on May 9, 2026.

Technical Description

Quarkus OpenAPI Generator is Quarkus' extensions for generation of Rest Clients and server stubs generation. Prior to versions 2.11.1-lts, 2.16.0-lts, and 2.17.0, the generated authentication filter matches OpenAPI path templates too broadly when deciding whether to attach credentials. A security scheme configured for one operation can therefore be applied to a different same-method operation whose path only partially resembles the protected template, causing bearer tokens, API keys, or basic credentials to be sent to unintended endpoints. This issue has been patched in versions 2.11.1-lts, 2.16.0-lts, and 2.17.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHub github.com/quarkiverse/quarkus-openapi-generator/pull/1586 GitHub github.com/quarkiverse/quarkus-openapi-generator/releases/tag/2.11.1-lts GitHub github.com/quarkiverse/quarkus-openapi-generator/releases/tag/2.16.0-lts GitHub github.com/quarkiverse/quarkus-openapi-generator/releases/tag/2.17.0 GitHub github.com/quarkiverse/quarkus-openapi-generator/security/advisories/GHSA-fr8f-rwjx-f32v GitHub github.com/quarkiverse/quarkus-openapi-generator/security/advisories/GHSA-fr8f-rwjx-f32v

Frequently Asked Questions

What is CVE-2026-42333?

CVE-2026-42333 is a known-severity vulnerability. It was published on May 9, 2026.

How severe is CVE-2026-42333?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-42333?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2026-42333?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-42333 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

Autonomous Discovery

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Continuous Pentesting

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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