We’re taking on a small number of new builds and rebuilds this quarter. Book a call to see if your project is a fit.

CVE CVE-2026-53504

CVE-2026-53504

Express

Severity: HIGH
CVSS: 7.5CVSS
Published: 2026-07-31
Last modified: 2026-08-01
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-400

Description

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the convolution filter regular expression performs exponential backtracking on crafted repeated numeric input, allowing a URL request to exhaust processing time. This issue is fixed in 7.8.0.

References

https://github.com/thumbor/thumbor/commit/3f38fe1610d20168e91f76d432212de30727eb2e
https://github.com/thumbor/thumbor/releases/tag/7.8.0
https://github.com/thumbor/thumbor/security/advisories/GHSA-5vjc-7cxw-4w6j

Summary

Description

References