rootpwn

high · CVSS v3 7.3 · CVSS v4 6.9 · EPSS 0.00298

CVE-2026-101005

A vulnerability was detected in October CMS up to 4.3.4. This affects the function validateExternalImageHost of the file…

Description

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.

Scores

Severity
high
CVSS v2
7.5
CVSS v3
7.3
CVSS v4
6.9
EPSS
0.00298

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