CVE-2026-53500

HighCVSS 8.2/10Last modified Sep 8, 2026

Description

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the ALLOWED_SOURCES configuration passes plain strings to re.match() without escaping dots, so a hostname differing at dot positions can match the allowlist. This issue is fixed in 7.8.0.

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Weakness enumeration

CWE-918

Affected software

No affected versions have been published.

Timeline

Published: Jul 31, 2026
Last modified: Sep 8, 2026
NVD status: Deferred

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