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CVE-2024-45601: Local file Inclusion via static file serving functionality in Mesop

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-18 · updated 2026-06-17
• Weakness: CWE-20

Description

Mesop is a Python-based UI framework designed for rapid web apps development. A vulnerability has been discovered and fixed in Mesop that could potentially allow unauthorized access to files on the server hosting the Mesop application. The vulnerability was related to insufficient input validation in a specific endpoint. This could have allowed an attacker to access files not intended to be served. Users are strongly advised to update to the latest version of Mesop immediately. The latest version includes a fix for this vulnerability. At time of publication 0.12.4 is the most recently available version of Mesop.

Affected products

• google mesop: from 0.9.0, < 0.12.4

References

• https://github.com/google/mesop/commit/17fb769d6a91f0a8cbccfab18f64977b158a6a31
• https://github.com/google/mesop/security/advisories/GHSA-pmv9-3xqp-8w42

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