CVE-2026-53502

unknowncovered by 1 sourcefirst seen 2026-07-31

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.

⚡ Watch CVE-2026-53502

Get an email if CVE-2026-53502 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Exploitation outlook

Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2026-53502: Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, file_loader de…nvd · 2026-07-31

External references

NVD record for CVE-2026-53502

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2026-53502 status](https://www.csirts.com/badge/CVE-2026-53502)](https://www.csirts.com/cve/CVE-2026-53502)