VULNERABILITY INTELLIGENCE
CVE-2026-53502
EPSS probability0.52%
CISA KEVNot currently listed
Published2026-07-31
Last modified2026-09-08
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.
Weakness classification
- security-advisories@github.com: CWE-22