CVE-2026-101005 — October CMS SSRF Protection ResizeImages.php validateExternalImageHost server-side request forgery
A vulnerability was detected in October CMS up to 4.3.4. This affects the function validateExternalImageHost of the file System/Classes/ResizeImages.php of the component SSRF Pr…
Published: 2026-09-28 · CVSS: 6.9 · CVSS 4.0
A vulnerability was detected in October CMS up to 4.3.4. This affects the function validateExternalImageHost of the file System/Classes/ResizeImages.php of the component SSRF Protection. The manipulation results in server-side request forgery. The attack may be launched remotely. The exploit is now public and may be used. Upgrading to version 4.3.5 is able to mitigate this issue. You should upgrade the affected component.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7