CVE-2021-46364

HIGH

Magnolia CMS < 6.2.4 - Remote Code Execution via Snake YAML Deserialization

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-46364. PoCs published by mbadanoiu.

AI-analyzed exploit summary This repository provides a writeup for CVE-2021-46364, a YAML deserialization vulnerability in Magnolia CMS (versions <=6.2.3) that can lead to remote code execution. It includes a link to a detailed PDF and vendor disclosure but does not contain exploit code.

Description

A vulnerability in the Snake YAML parser of Magnolia CMS v6.2.3 and below allows attackers to execute arbitrary code via a crafted YAML file.

Exploits (1)

nomisec WRITEUP 1 stars
by mbadanoiu · poc
https://github.com/mbadanoiu/CVE-2021-46364

This repository provides a writeup for CVE-2021-46364, a YAML deserialization vulnerability in Magnolia CMS (versions <=6.2.3) that can lead to remote code execution. It includes a link to a detailed PDF and vendor disclosure but does not contain exploit code.

Classification
Writeup 90%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Theoretical
Target: Magnolia CMS <=6.2.3
Auth required
Prerequisites: Valid user credentials · Ability to import YAML files
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.8
EPSS 0.0147
EPSS Percentile 70.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (2)
info.magnolia/magnolia-core 0 - 6.2.4Maven
magnolia-cms/magnolia_cms < 6.2.4
Published Feb 11, 2022
Tracked Since Feb 18, 2026