CVE-2026-101005

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 v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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/

Configurations

No configuration.

History

28 Sep 2026, 07:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-28 07:17

Updated : 2026-09-28 15:16

NVD link : CVE-2026-101005

Mitre link : CVE-2026-101005

CVE.ORG link : CVE-2026-101005

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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