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CVE-2026-42333: quarkus-openapi-generator has overly broad path-parameter matching that sends authentication headers to unintended operations

May 4, 2026 (updated May 13, 2026)

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.

References

  • github.com/advisories/GHSA-fr8f-rwjx-f32v
  • github.com/quarkiverse/quarkus-openapi-generator/pull/1586
  • github.com/quarkiverse/quarkus-openapi-generator/releases/tag/2.11.1-lts
  • github.com/quarkiverse/quarkus-openapi-generator/releases/tag/2.16.0-lts
  • github.com/quarkiverse/quarkus-openapi-generator/releases/tag/2.17.0
  • github.com/quarkiverse/quarkus-openapi-generator/security/advisories/GHSA-fr8f-rwjx-f32v
  • nvd.nist.gov/vuln/detail/CVE-2026-42333

Code Behaviors & Features

Detect and mitigate CVE-2026-42333 with GitLab Dependency Scanning

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Affected versions

All versions before 2.16.0-lts

Fixed versions

  • 2.16.0-lts

Solution

Upgrade to version 2.16.0-lts or above.

Impact 6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Source file

maven/io.quarkiverse.openapi.generator/quarkus-openapi-generator/CVE-2026-42333.yml

Spotted a mistake? Edit the file on GitLab.

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