{"schema":"threatline.record/2","record":{"id":"CVE-2026-56661","aliases":["GHSA-r7v8-mx29-5q8h"],"summary":"GetSimple CMS: Server-Side Request Forgery in the UpdateCE update endpoint","details":"GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. Prior to version 1.5, the update handler fetches a user-supplied URL with file_get_contents() after only format validation (FILTER_VALIDATE_URL) — there is no validation of the request destination. An attacker who can submit the form can make the server issue requests to arbitrary destinations, including internal-only services and cloud metadata endpoints (169.254.169.254). The fetched response body is written to a web-accessible file (/Tmpfile.zip) and is not deleted when the content is not a valid ZIP, turning this into a full-read SSRF: the attacker can retrieve the response of the internal request directly. This issue has been patched in version 1.5.","categories":["Unclassified"],"product":"GetSimpleCMS-CE","vendor":"GetSimpleCMS-CE","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-56661","source_modified_at":"2026-10-01T19:50:54.335Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"GetSimpleCMS-CE","vendor":"GetSimpleCMS-CE","versions":[{"status":"affected","version":"< 1.5"}],"defaultStatus":null},{"source":"GitHub Advisory Database","source_url":"https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-r7v8-mx29-5q8h","source_modified_at":"2026-07-06T16:02:16Z","fetched_at":"2026-10-23T18:58:35.272684Z","package":{"ecosystem":"php","name":"UpdateCE"},"range":"<= 1.4"}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-r7v8-mx29-5q8h","source_modified_at":"2026-07-06T16:02:16Z","fetched_at":"2026-10-23T18:58:35.272684Z","package":{"ecosystem":"php","name":"UpdateCE"},"version":"1.5"}],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00263,"percentile":0.17249,"score_date":"2026-10-23"},"published_at":"2026-10-01T19:38:08.498Z","modified_at":"2026-10-01T19:50:54.335Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-56661","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T19:50:54.335Z"},{"source":"GitHub Advisory Database","url":"https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-r7v8-mx29-5q8h","fetched_at":"2026-10-23T18:58:35.272684Z","source_modified_at":"2026-07-06T16:02:16Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-56661","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","GitHub Advisory Database","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-r7v8-mx29-5q8h","tags":["exploit"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-01T19:50:31.476852Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-01T19:50:54.335Z","content_hash":"45fc46e84fdc90f6c19c4fa98c16e0e6174afb4406d7a2c3957578c82dc99613"}}