A AegiFlow
HIGHCVSS 8.7EPSS 0.4%

CVE-2026-53502

CVE-2026-53502 updated by NVD

Published
2026-07-31
Modified
2026-09-10
EPSS percentile
28%
Sources
github-advisory, nvd

Summary

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.

Affected packages

EcosystemPackageAffected versionsFixed versions
PyPIthumbor7.8.0

Remediation: Upgrade to 7.8.0 or later.

References

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.