FlaskBB is a Forum Software written in Python using the micro framework Flask. Prior to version 2.2.1, 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. This is a blind SSRF with confirmed internal port scanning and internal API triggering capabilities. Version 2.2.1 patches the issue.
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History
Thu, 23 Jul 2026 05:45:00 +0000
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Wed, 22 Jul 2026 15:30:00 +0000
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Tue, 21 Jul 2026 20:45:00 +0000
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| Description | FlaskBB is a Forum Software written in Python using the micro framework Flask. Prior to version 2.2.1, 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. This is a blind SSRF with confirmed internal port scanning and internal API triggering capabilities. Version 2.2.1 patches the issue. | |
| Title | FlaskBB: SSRF in get_image_info() via unrestricted avatar URL | |
| Weaknesses | CWE-918 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-07-21T20:34:23.536Z
Updated: 2026-07-22T14:50:37.123Z
Reserved: 2026-05-14T20:42:31.369Z
Link: CVE-2026-46556
Updated: 2026-07-22T14:50:32.140Z
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