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Weakness (CWE) CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine 1 CWE-94 Improper Control of Generation of Code 1

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TI-2026-66136 CVE-2026-104851 · GHSA-27vj-qcqg-25rc

fsspec: Server-Side Template Injection in ReferenceFileSystem leads to Remote Code Execution

Priority HIGH 73

fsspec is a specification and Python implementation framework for filesystem interfaces.

CVSS 3.1HIGH 8.8· Network · No auth · User interaction · EPSS 0.00475 · Published 2026-10-02 · Partial fix · 2026.6.0 CWE-1336

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