CVE-2026-111057: CWE-185: Incorrect Regular Expression in mljar mercury
Description
Mercury is a Python framework for sharing Jupyter notebooks as web applications and dashboards. From 3.0.0 until 3.2.4, a missing comma in BLOCKED_PATTERNS concatenates the /lab and /api/terminals regular-expression literals. Requests to /api/terminals therefore bypass the anonymous endpoint blocklist and reach Jupyter Server's terminal API. An unauthenticated attacker can use the resulting interactive operating-system shell to execute commands and access data available to the Mercury process. This issue is fixed in version 3.2.4.
CVSS v3.1
Score 10.0critical
Affected software
mljar
mercury
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-10-15T12:47:13.664Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad643052cdf04f6566afddd
Added to database: 10/19/2026, 16:19:17 UTC
Last updated: 10/19/2026, 16:19:17 UTC
Views: 1
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