Security Advisory

CVE-2026-53502

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-31 19:03:16

Last updated 2026-07-31 19:18:09

Assigner GitHub_M

CVSS score not scored

State PUBLISHED

Description

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, file_loader decodes percent-encoded path segments after its root-boundary validation, allowing traversal outside FILE_LOADER_ROOT_PATH through watermark or frame filter input. This issue is fixed in 7.8.0.

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