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.
Severity (CVSS)
| Base score | 8.2 |
|---|---|
| Severity | High |
| Version | CVSS 3.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L |
| Provided by | CNA |
Weaknesses
- CWE-918 — CWE-918: Server-Side Request Forgery (SSRF)
Affected products
| Vendor | Product | Versions |
|---|---|---|
| thumbor | thumbor | < 7.8.0 |
References
- https://github.com/thumbor/thumbor/security/advisories/GHSA-6x26-6r6f-m537 (x_refsource_CONFIRM)
- https://github.com/thumbor/thumbor/commit/68876715350c6c8f49c324e5515e64908830aed7 (x_refsource_MISC)
- https://github.com/thumbor/thumbor/releases/tag/7.8.0 (x_refsource_MISC)
Generated from the official CVE List on 01 Aug 2026 07:04 UTC.