CVE-2026-53504High· 7.5▾ TwilightThumbor 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 t…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 1.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.3%
Last analysed / modified upstream
0.3% → 0.6%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
thumbor <= 7.7.7Patched in:
thumbor 7.8.0Connected by shared product, vendor, weakness, or advisory.
CVE-2026-53505High· 7.5Thumbor is an open-source photo thumbnail service by globo.com
CVE-2026-53502HighThumbor is an open-source photo thumbnail service by globo.com
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CVE-2026-53501High· 8.2Thumbor is an open-source photo thumbnail service by globo.com
CVE-2026-53503High· 7.5Thumbor is an open-source photo thumbnail service by globo.com
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