cvedb.io
CVE-2026-42796
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-05-04T18:16:32.520 · Last modified 2026-06-17T10:48:25.633

Summary

Arelle before 2.39.10 contains an unauthenticated remote code execution vulnerability in the /rest/configure REST endpoint that accepts a plugins query parameter and forwards it to the plugin manager without authentication or authorization. Attackers can supply a URL to a malicious Python file through the plugins parameter, causing the Arelle webserver to download and execute the attacker-controlled code within the Arelle process with its privileges.

Affected products

workiva — arelle

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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.