Server-side Request Forgery (SSRF) Affecting flaskbb package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Server-side Request Forgery (SSRF) vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-PYTHON-FLASKBB-17283331
- published10 Jun 2026
- disclosed21 May 2026
- creditWoo-Hyun, Choi, SunwooLee, Seunghyun Yoon
Introduced: 21 May 2026
CVE-2026-46556 (opens in a new tab)How to fix?
There is no fixed version for FlaskBB.
Overview
FlaskBB is an A classic Forum Software in Python using Flask.
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the get_image_info function. An attacker can access internal network resources and sensitive cloud metadata by supplying a crafted URL as the avatar image, causing the server to make HTTP requests to arbitrary internal endpoints.