Missing Authentication for Critical Function Affecting arelle-release package, versions [,2.39.10)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PYTHON-ARELLERELEASE-16635954
- published11 May 2026
- disclosed4 May 2026
- creditMobasi Security Team
Introduced: 4 May 2026
NewCVE-2026-42796 (opens in a new tab)How to fix?
Upgrade arelle-release to version 2.39.10 or higher.
Overview
arelle-release is an An open source XBRL platform.
Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the plugins parameter in the /rest/configure endpoint, which is processed without authentication or authorization. An attacker can execute arbitrary code within the server process by supplying a URL to a malicious Python file, causing the server to download and run attacker-controlled code.