CVE-2026-53500
8.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| thumbor | thumbor | < 7.8.0 | affected |
Weaknesses
- CWE-918: CWE-918: Server-Side Request Forgery (SSRF)
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
Additional References
References
- https://github.com/thumbor/thumbor/security/advisories/GHSA-6x26-6r6f-m537
- https://github.com/thumbor/thumbor/commit/68876715350c6c8f49c324e5515e64908830aed7
- https://github.com/thumbor/thumbor/releases/tag/7.8.0
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