{"id":"CVE-2026-101005","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101005","generatedAt":"2026-10-27T22:46:25.553Z","title":"A vulnerability was detected in October CMS up to 4.3.4.","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.","published":"2026-09-28T07:17:20.000Z","lastModified":"2026-09-28T15:16:05.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":5.5,"severity":"MEDIUM","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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-918"],"affected":[],"epss":{"score":0.00298,"percentile":0.2225,"date":"2026-10-26","history":[{"date":"2026-09-28","score":0.00298,"percentile":0.20145}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-28T07:17:20.000Z","detail":{"score":"5.5","severity":"MEDIUM","publishedAt":"2026-09-28T07:17:19.827Z"},"summary":"New CVE, medium severity (CVSS 5.5)."}],"references":[{"url":"https://github.com/0xGenesi/CVE/blob/main/October_CMS_SSRF_IPv6_Mapped_IPv4_Bypass.md","source":"cna@vuldb.com"},{"url":"https://github.com/octobercms/october/releases/tag/v4.3.5","source":"cna@vuldb.com"},{"url":"https://github.com/octobercms/october/security/advisories/GHSA-j2j7-7m99-6226","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-101005","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/922294","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410875","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/410875/cti","source":"cna@vuldb.com"},{"url":"https://www.cybersecurity-help.cz/vdb/vulns/149488/","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101005","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}