cvedb.io
CVE-2026-48147
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2026-05-27T18:16:27.063 · Last modified 2026-06-17T10:54:53.503

Summary

Budibase is an open-source low-code platform. Prior to 3.35.4, the buildMatcherRegex() / matches() functions in packages/backend-core/src/middleware/matchers.ts route patterns are compiled into unanchored regular expressions and tested against ctx.request.url, which includes the full query string. The CSRF middleware in the Budibase Worker uses this matching system to decide whether to skip CSRF token validation. An unauthenticated attacker can forge state-changing cross-origin requests against any Worker API endpoint by injecting a public route pattern into the query string, causing the CSRF middleware to skip token validation entirely. This allows actions such as sending admin invites, modifying global configuration, and managing users without a valid CSRF token. This vulnerability is fi

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.