← Back to CVE feed
CVE-2026-101005
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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LReferences
- https://github.com/0xGenesi/CVE/blob/main/October_CMS_SSRF_IPv6_Mapped_IPv4_Bypass.md
- https://github.com/octobercms/october/releases/tag/v4.3.5
- https://github.com/octobercms/october/security/advisories/GHSA-j2j7-7m99-6226
- https://vuldb.com/cve/CVE-2026-101005
- https://vuldb.com/submit/922294
- https://vuldb.com/vuln/410875
- https://vuldb.com/vuln/410875/cti
- https://www.cybersecurity-help.cz/vdb/vulns/149488/