CVE-2026-72583

Medium

Description

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.

SeverityMedium
CVSS5.4
Exploit probability—
ProductFastschema
PublishedAug 10, 2026
First seenAug 10, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
fastschema fastschemav ≤ 0.15.1—

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