CVE-2026-53505

highCVSS 7.5covered by 1 sourcefirst seen 2026-07-31

Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor's filters:proportion(<value>) filter does not enforce an upper bound on <value> 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.

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Advisory coverage (1)

highCVE-2026-53505: Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, Thumbor's filt…nvd · 2026-07-31

External references

NVD record for CVE-2026-53505

CVE.org record

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