CVE-2026-104851Published
fsspec: Server-Side Template Injection in ReferenceFileSystem leads to Remote Code Execution
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-104851 · Microsoft / collected KEV context
cve-program · CVE-2026-104851
- https://github.com/fsspec/filesystem_spec/security/advisories/GHSA-27vj-qcqg-25rc
- https://github.com/fsspec/filesystem_spec/pull/2029
- https://github.com/fsspec/filesystem_spec/pull/2039
- https://github.com/fsspec/filesystem_spec/commit/86438783f93b1398ef245b92f0e6063b445b611c
- https://github.com/fsspec/filesystem_spec/commit/a1c16ab3f07f354aa371c38f7b1b07ea7fd4c5c8
- https://github.com/fsspec/filesystem_spec/releases/tag/2026.6.0
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.