CyberSecBulletin

C4illin vulnerabilities

We track 5 vulnerabilities in C4illin products. 5 are rated high or critical, and none are known to be exploited. The most recent was published on October 12, 2026.

5vulnerabilities
1critical
4high
0exploited
8.6average CVSS score

Latest C4illin vulnerabilities

  • 8.1 High severity

    ConvertX: Cross-Site Request Forgery

    CVE-2026-59977C4illin

    ConvertX is a self-hosted file conversion service. Prior to 0.18.0, the /delete/{id} endpoint uses HTTP GET for permanent deletion without CSRF protection. If an authenticated user visits attacker-controlled content that requests /delete/{id}, the browser send

  • 8.1 High severity

    ConvertX: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-59976C4illin

    ConvertX is a self-hosted file conversion service. Prior to 0.18.0, the ImageMagick converter uses the unsanitized convert_to parameter to construct an output path. If an authenticated user, or an unauthenticated user when ConvertX is configured to allow unaut

  • 9.9 Critical severity

    ConvertX: Inclusion of Functionality from Untrusted Control Sphere

    CVE-2026-105080C4illin

    In ConvertX before 0.19.0, converters/calibre.ts does not block recipe files, and instead passes them to the ebook-convert program from Calibre. This affects executable code in a .recipe or .downloaded_recipe file.

  • 8.1 High severity

    ConvertX: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-24741C4illin

    ConvertXis a self-hosted online file converter. In versions prior to 0.17.0, the `POST /delete` endpoint uses a user-controlled `filename` value to construct a filesystem path and deletes it via `unlink` without sufficient validation. By supplying path travers

  • 8.8 High severity

    ConvertX: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2025-66449C4illin

    ConvertXis a self-hosted online file converter. In versions prior to 0.16.0, the endpoint `/upload` allows an authenticated user to write arbitrary files on the system, overwriting binaries and allowing code execution. The upload function takes `file.name` dir