High severity7.5NVD Advisory· Published Jul 31, 2026· Updated Sep 8, 2026
CVE-2026-53505
CVE-2026-53505
Description
Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor's filters:proportion() filter does not enforce an upper bound on and runs in the post-transform phase. An attacker can trigger extremely large resizes (CPU/memory exhaustion) and cause denial of service. This issue is fixed in 7.8.0.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
thumborPyPI | < 7.8.0 | 7.8.0 |
Affected products
1Patches
Vulnerability mechanics
References
4News mentions
1- Thumbor: Four Vulnerabilities Including Path Traversal and DoS Disclosed TogetherVypr Intelligence · Aug 1, 2026