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CVE-2026-29905

CVE-2026-29905

CVSS 6.5 MEDIUMEPSS 0.4%CWE-20CWE-252
Kirby CMS through 5.1.4 allows an authenticated user with 'Editor' permissions to cause a persistent Denial of Service (DoS) via a malformed image upload. The application fails to properly validate the return value of the PHP getimagesize() function. When the system attempts to process this file for metadata or thumbnail generation, it triggers a fatal TypeError.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
n/a · n/a

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Referências
https://drive.google.com/file/d/1MwvvSYIwnC8kOIzjycGMQZw4d2K2ef8h/view?usp=sharinghttps://github.com/getkirby/kirby/releases/tag/5.2.0-rc.1https://github.com/Stalin-143/CVE-2026-29905