{"items":[{"id":"NVI-00007176","kind":"vulnerability","title":"elFinder: CSRF in netmount allows forced FTP mounts and server-side FTP connections","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9hjf-w35w-6vx2","CVE-2026-81890"],"plain_summary":"GitHub lists this reviewed advisory for studio-42/elfinder. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-077b0bfa2c79e0981f627f035a8b579e"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.1.70 for studio-42/elfinder. Confirm the publisher’s latest guidance.","source_ids":["sr-d1e0de460b207f85a437a754a1c9d3f3"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-02T14:37:37.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-102e837b0c6ed89f8ee0d0e0631d2247"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.177%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.07237. Missing scores are unknown.","source_id":"sr-077b0bfa2c79e0981f627f035a8b579e"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-102e837b0c6ed89f8ee0d0e0631d2247","url":"https://github.com/advisories/GHSA-9hjf-w35w-6vx2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9hjf-w35w-6vx2","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T02:21:43.711Z"},{"id":"sr-d1e0de460b207f85a437a754a1c9d3f3","url":"https://github.com/advisories/GHSA-9hjf-w35w-6vx2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9hjf-w35w-6vx2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.687Z"},{"id":"sr-077b0bfa2c79e0981f627f035a8b579e","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-81890","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.385Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-102e837b0c6ed89f8ee0d0e0631d2247"],"technology":"studio-42/elfinder","known_exclusions":[],"conditions_summary":"### Summary\nThe PHP connector's CSRF gate protects many mutating commands, but it does not protect the `netmount` connector command. In the shipped minimal connector setup, FTP network mounting is enabled by default, so a cross-site request can force an elFinder instance to mount an attacker-chosen FTP endpoint in the victim's session and cause the server to initiate an outbound FTP connection without the `X-elFinder-CSRF` token that other state-changing commands require.\n\nThis was confirmed locally against `Studio-42/elFinder` at commit `ec5f811dc321a053085b994966f553eaaab58721`, corresponding to the repository's documented stable release `2.1.69` / API revision `2.1.69`.\n\n### Details\nThe connector has an explicit allowlist of commands that require CSRF validation in `php/elFinderConnector.class.php:79-92`. That list includes state-changing commands such as `mkdir`, `mkfile`, `paste`, `put`, `rename`, `rm`, `upload`, `archive`, `extract`, `resize`, and `chmod`, but it omits `netmount`. The enforcement point in `php/elFinderConnector.class.php:376-381` calls `validateCsrfToken()` only when the command appears in that list.\n\n`netmount` is a first-class connector command declared in ","public_affected_ranges":["< 2.1.70"]},{"certainty":"source_listed","source_ids":["sr-d1e0de460b207f85a437a754a1c9d3f3"],"technology":"studio-42/elfinder","known_exclusions":[],"conditions_summary":"### Summary\nThe PHP connector's CSRF gate protects many mutating commands, but it does not protect the `netmount` connector command. In the shipped minimal connector setup, FTP network mounting is enabled by default, so a cross-site request can force an elFinder instance to mount an attacker-chosen FTP endpoint in the victim's session and cause the server to initiate an outbound FTP connection without the `X-elFinder-CSRF` token that other state-changing commands require.\n\nThis was confirmed locally against `Studio-42/elFinder` at commit `ec5f811dc321a053085b994966f553eaaab58721`, corresponding to the repository's documented stable release `2.1.69` / API revision `2.1.69`.\n\n### Details\nThe connector has an explicit allowlist of commands that require CSRF validation in `php/elFinderConnector.class.php:79-92`. That list includes state-changing commands such as `mkdir`, `mkfile`, `paste`, `put`, `rename`, `rm`, `upload`, `archive`, `extract`, `resize`, and `chmod`, but it omits `netmount`. The enforcement point in `php/elFinderConnector.class.php:376-381` calls `validateCsrfToken()` only when the command appears in that list.\n\n`netmount` is a first-class connector command declared in ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.1.70"]}],"null_published_at":"2026-11-02T10:00:37.160Z","source_updated_at":"2026-09-02T14:37:37.000Z","source_disclosed_at":"2026-09-02T14:37:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.687Z"},{"id":"NVI-00007176","kind":"vulnerability","title":"elFinder: CSRF in netmount allows forced FTP mounts and server-side FTP connections","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9hjf-w35w-6vx2","CVE-2026-81890"],"plain_summary":"OSV carries this publisher advisory for studio-42/elfinder. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.1.70 for studio-42/elfinder. Confirm the publisher’s latest guidance.","source_ids":["sr-d1e0de460b207f85a437a754a1c9d3f3"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-077b0bfa2c79e0981f627f035a8b579e"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.177%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.07237. Missing scores are unknown.","source_id":"sr-077b0bfa2c79e0981f627f035a8b579e"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-d1e0de460b207f85a437a754a1c9d3f3","url":"https://github.com/advisories/GHSA-9hjf-w35w-6vx2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9hjf-w35w-6vx2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.687Z"},{"id":"sr-077b0bfa2c79e0981f627f035a8b579e","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-81890","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.385Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d1e0de460b207f85a437a754a1c9d3f3"],"technology":"studio-42/elfinder","known_exclusions":[],"conditions_summary":"### Summary\nThe PHP connector's CSRF gate protects many mutating commands, but it does not protect the `netmount` connector command. In the shipped minimal connector setup, FTP network mounting is enabled by default, so a cross-site request can force an elFinder instance to mount an attacker-chosen FTP endpoint in the victim's session and cause the server to initiate an outbound FTP connection without the `X-elFinder-CSRF` token that other state-changing commands require.\n\nThis was confirmed locally against `Studio-42/elFinder` at commit `ec5f811dc321a053085b994966f553eaaab58721`, corresponding to the repository's documented stable release `2.1.69` / API revision `2.1.69`.\n\n### Details\nThe connector has an explicit allowlist of commands that require CSRF validation in `php/elFinderConnector.class.php:79-92`. That list includes state-changing commands such as `mkdir`, `mkfile`, `paste`, `put`, `rename`, `rm`, `upload`, `archive`, `extract`, `resize`, and `chmod`, but it omits `netmount`. The enforcement point in `php/elFinderConnector.class.php:376-381` calls `validateCsrfToken()` only when the command appears in that list.\n\n`netmount` is a first-class connector command declared in ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.1.70"]}],"null_published_at":"2026-10-31T22:13:44.222Z","source_updated_at":"2026-09-02T14:45:05.145Z","source_disclosed_at":"2026-09-02T14:37:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.687Z"}],"next_cursor":null,"snapshot_revision":"40769"}