What is CVE-2025-30358?

CVE-2025-30358 is a high-severity vulnerability in Mesop-dev Mesop, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 8.1/10. Published 2025-03-27.

How severe is CVE-2025-30358?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Mesop-dev Mesop

CVE-2025-30358

Mesop is a Python-based UI framework that allows users to build web applications. A class pollution vulnerability in Mesop prior to version 0.14.1 allows attackers to overwrite global variables and class attributes in certain Mesop modules…

Vulnerability class: Mass Assignment

EPSS: 0.024 (85.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Mesop-dev Mesop — versions < 0.14.1

Weakness classification (CWE)

CWE-915 — Improperly Controlled Modification of Dynamically-Determined Object Attributes

References

https://github.com/mesop-dev/mesop/security/advisories/GHSA-f3mf-hm6v-jfhh (x_refsource_CONFIRM)
https://github.com/mesop-dev/mesop/commit/748e20d4a363d89b841d62213f5b0c6b4bed788f (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-30358?: CVE-2025-30358 is a high-severity vulnerability in Mesop-dev Mesop, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 8.1/10. Published 2025-03-27.
How severe is CVE-2025-30358?: High severity. CVSS v3 base score is 8.1 out of 10.