CVE-2026-53500 in Thumbor

Sumário

de MITRE • 31/07/2026

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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

• Responsável: GitHub M
• Reservar: 09/06/2026
• Divulgação: 31/07/2026
• Moderação: aceite
• Entrada: VDB-385120
• CPE: pronto
• CWE: CWE-185 (confirmado)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: muito baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-53500
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-53500
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-53500/