CVE-2026-53500
Last modified
CVE-2026-53500 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the ALLOWED_SOURCES configuration passes plain strings to re.match() without escaping dots, so a hostname differing at dot positions can match the allowlist. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
Thumbor is an open-source photo thumbnail service by globo.com. Prior to 7.8.0, the ALLOWED_SOURCES configuration passes plain strings to re.match() without escaping dots, so a hostname differing at dot positions can match the allowlist. This issue is fixed in 7.8.0.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| thumbor | thumbor | < 7.8.0 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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