CVE-2026-53504: 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 nume
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-53504
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-53504 | coverage & exploitation status | NVD · CVE.org |
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