cve.nowby Sazabi

PyPIPackage

fsspec

1 known vulnerability (1 high), with the versions each affects and the releases that fix them.

Latest release: 2026.9.0 (Sep 18, 2026): no advisory affects it
Newest unaffected release: 2026.9.0 (Sep 18, 2026), the latest release
Advisories: 1 · 1 high

Weekly downloads: 135.2M
Dependents: 48K
Releases: 102 since 0.1.0 (Jan 2, 2019)
Registry: PyPI
Releases read: Nov 8, 2026

Version timeline

CVE-2026-104851
Affects 0.9.0 to 2026.4.0 (2026.6.0 is outside it)

Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 1

CVE-2026-104851High 8.8
fsspec: Server-Side Template Injection in ReferenceFileSystem leads to Remote Code Execution
Affected: from 0.9.0, fixed in 2026.6.0.
Fixed in 2026.6.0 (released Jun 16, 2026, 108 days before disclosure).
The latest release, 2026.9.0, is not affected.