{"id":"CVE-2026-101005","revision":null,"records":[{"revision":"c4832c75a98b4afb8245026bfcd30c1a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-101005","aliases":[],"title":"October CMS SSRF Protection ResizeImages.php validateExternalImageHost server-side request forgery","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.","state":0,"publishedAt":"2026-09-28T06:00:10.375+00:00","modifiedAt":"2026-09-28T12:50:08.482+00:00","affected":[{"ecosystem":"Vendor product","name":"October CMS","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"October CMS\",\n                    \"versions\": [\n                        {\n                            \"version\": \"4.3.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"4.3.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"4.3.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"4.3.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"4.3.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"4.3.5\",\n                            \"status\": \"unaffected\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:october_cms:october_cms:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"modules\": [\n                        \"SSRF Protection\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","score":7.3,"severity":"HIGH"},{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","score":7.3,"severity":"HIGH"},{"system":"CVSS 2.0","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C","score":7.5,"severity":null}],"references":["https://vuldb.com/vuln/410875","https://vuldb.com/vuln/410875/cti","https://vuldb.com/cve/CVE-2026-101005","https://vuldb.com/submit/922294","https://github.com/octobercms/october/security/advisories/GHSA-j2j7-7m99-6226","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://www.cybersecurity-help.cz/vdb/vulns/149488/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-101005","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-101005","identifiers":["CVE-2026-101005"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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