CVE-2026-29905

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 upl...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

References

advisory github.com
advisory nvd.nist.gov
package github.com
web drive.google.com
web github.com