HIGH 8.2 NVD
CVE-2026-53500
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 esc
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.
References
- https://github.com/thumbor/thumbor/commit/68876715350c6c8f49c324e5515e64908830aed7
- https://github.com/thumbor/thumbor/releases/tag/7.8.0
- https://github.com/thumbor/thumbor/security/advisories/GHSA-6x26-6r6f-m537
- https://github.com/thumbor/thumbor/security/advisories/GHSA-6x26-6r6f-m537
This high severity vulnerability with a CVSS score of 8.2 was published on 2026-07-31 via NVD.
vulnfeed aggregates 9166 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.