CVE-2026-72583 — fastschema - Stored Cross-Site Scripting via MIME Type Bypass in File Upload

CVE-2026-72583

fastschema - Stored Cross-Site Scripting via MIME Type Bypass in File Upload PUBLISHED

Description (CNA)

A stored cross-site scripting (XSS) vulnerability in fastschema through v0.15.1 allows a low-privileged authenticated user to upload an SVG file containing malicious JavaScript by bypassing the MIME type allow-list check.

Affected (CNA)

Vendor / product	Versions
fastschema / fastschema	affected 0 through 0.15.1

CWE

CWE-79

References

https://github.com/fastschema/fastschema
https://github.com/fastschema/fastschema/blob/main/pkg/rclonefs/base.go

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.