CyberSecBulletin

Fsspec vulnerabilities

We track 1 vulnerability in Fsspec products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on October 2, 2026.

1vulnerabilities
0critical
1high
0exploited
8.8average CVSS score

Latest Fsspec vulnerabilities

  • 8.8 High severity

    filesystem_spec: Improper Control of Generation of Code

    CVE-2026-104851Fsspec

    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.Templat