CVE-2026-46556
Medium · 6.5FlaskBB: SSRF in get_image_info() via unrestricted avatar URL
CVSS
6.5
EPSS
0.4%
Published
May 21, 2026
CISA due date
—
The record
A Server-Side Request Forgery (SSRF) vulnerability in get_image_info() allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata services (e.g., AWS 169.254.169.254). This is a blind SSRF with confirmed internal port scanning and internal API triggering capabilities. CVSS 6.5 Medium.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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