Ghostwire

CVE-2026-53501: Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

HIGH CVSS 8.2 Exploit Available

Published: July 31, 2026 | Last Modified: July 31, 2026

Description

Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

Ghostwire Analysis — What This Means Practically

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References