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CVE-2026-42796

Arelle < 2.39.10 Unauthenticated RCE via /rest/configure PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Arelle / Arelleaffected 0 before 2.39.10

CWE

CWE-306

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.