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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| typo3/cms-core | composer | >= 6.0, < 6.0.9 | 6.0.9 |
| typo3/cms-core | composer | >= 6.1, < 6.1.4 | 6.1.4 |
The vulnerability stems from improper access control in FAL's permission checks. While exact code isn't available, TYPO3's architecture suggests: 1) ResourceStorage handles permission checks for file operations - a flawed implementation here would allow bypassing file mounts. 2) FileProcessor handles incoming file operation requests - missing permission validation in request handling would enable crafted URL exploitation. The medium confidence reflects the lack of direct patch evidence, but aligns with TYPO3's FAL structure and vulnerability patterns in access control systems.
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