{"id":32376,"date":"2026-10-03T04:31:18","date_gmt":"2026-10-02T20:31:18","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-104851"},"modified":"2026-10-03T04:31:18","modified_gmt":"2026-10-02T20:31:18","slug":"cve-2026-104851","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-104851","title":{"rendered":"CVE-2026-104851 [HIGH] &#8211; fsspec is a specification and Python implementation framework for filesystem interfaces. F"},"content":{"rendered":"<p>fsspec is a specification and Python implementation framework for filesystem interfaces. From 0.9.0 until 2026.6.0, fsspec.implementations.reference.ReferenceFileSystem evaluates fields from Kerchunk reference JSON documents through unrestricted jinja2.Template(&#8230;).render(&#8230;) calls in _process_references1._render_jinja, _process_templates, and _process_gen in fsspec\/implementations\/reference.py. A document supplied inline or fetched from an attacker-controlled URL can provide template expressions that execute Python code when the reference filesystem is opened, including through consumers such as xarray, before referenced data is read. The _process_gen path is reached whenever a document includes a gen array, while the other paths depend on template-related options and values. This issue is fixed in version 2026.6.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>fsspec is a specification and Python implementation framework for filesystem interfaces. From 0.9.0 until 2026.6.0, fsspec.implementations.reference.ReferenceFileSystem evaluates fields from Kerchunk <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-32376","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/32376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=32376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=32376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=32376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}