CVE-2026-46556

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 getimageinfo allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata...

CVE-2026-46556 FlaskBB: SSRF in get_image_info() via unrestricted avatar URL

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 getimageinfo allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata...

CVE-2026-46556

The CVE describes a Server-Side Request Forgery (SSRF) in FlaskBB prior to 2.2.1, where get_image_info(url) passes the supplied URL directly to requests.get without validating scheme/host/IP. This allows any authenticated user to cause the server to access internal endpoints and cloud metadata se...

CVE-2026-46556 FlaskBB: SSRF in get_image_info() via unrestricted avatar URL

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 getimageinfo allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata...

PYSEC-2026-2479 FlaskBB: SSRF in get_image_info() via unrestricted avatar URL

Summary A Server-Side Request Forgery SSRF vulnerability in getimageinfo 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...

Incorrect Authorization

Overview FlaskBB is an A classic Forum Software in Python using Flask. Affected versions of this package are vulnerable to Incorrect Authorization via manipulation of the topicid parameter in batch requests. An attacker can perform unauthorized actions such as locking, unlocking, deleting, or...

Incorrect Comparison

Overview FlaskBB is an A classic Forum Software in Python using Flask. Affected versions of this package are vulnerable to Incorrect Comparison via the bulkdelete process. An attacker can remove all built-in authorization groups by sending specially crafted JSON data that exploits a type mismatch...

CVE-2026-22659

FlaskBB through 2.2.0, fixed in commit acc88cf, contains an authorization bypass vulnerability that allows authenticated moderators to perform unauthorized actions on topics in forums they do not control by submitting crafted topic ID lists. Attackers can include a low-ID topic from a permitted...

CVE-2026-22660

FlaskBB through 2.2.0, fixed in commit a5da9a5, contains a logic flaw vulnerability that allows authenticated administrators to delete all built-in authorization groups by exploiting a type mismatch in the bulk delete protection check. The bulk AJAX endpoint in the management views compares...

CVE-2026-22659 FlaskBB Authorization Bypass via Topic ID Manipulation

FlaskBB through 2.2.0, fixed in commit acc88cf, contains an authorization bypass vulnerability that allows authenticated moderators to perform unauthorized actions on topics in forums they do not control by submitting crafted topic ID lists. Attackers can include a low-ID topic from a permitted...

CVE-2026-22659 FlaskBB Authorization Bypass via Topic ID Manipulation

FlaskBB through 2.2.0, fixed in commit acc88cf, contains an authorization bypass vulnerability that allows authenticated moderators to perform unauthorized actions on topics in forums they do not control by submitting crafted topic ID lists. Attackers can include a low-ID topic from a permitted...

CVE-2026-22659

FlaskBB up to version 2.2.0 is vulnerable to an authorization bypass. The issue arises when an attacker manipulates a batch request with crafted topic ID lists, causing a low-ID topic from a permitted forum to be used as an anchor and bypass the permission check applied only to the first result. ...

CVE-2026-22659 FlaskBB Authorization Bypass via Topic ID Manipulation

FlaskBB through 2.2.0, fixed in commit acc88cf, contains an authorization bypass vulnerability that allows authenticated moderators to perform unauthorized actions on topics in forums they do not control by submitting crafted topic ID lists. Attackers can include a low-ID topic from a permitted...

EUVD-2026-42877

FlaskBB through 2.2.0, fixed in commit a5da9a5, contains a logic flaw vulnerability that allows authenticated administrators to delete all built-in authorization groups by exploiting a type mismatch in the bulk delete protection check. The bulk AJAX endpoint in the management views compares...

CVE-2026-22660 FlaskBB Logic Flaw Authorization Group Deletion via Bulk AJAX Endpoint

FlaskBB through 2.2.0, fixed in commit a5da9a5, contains a logic flaw vulnerability that allows authenticated administrators to delete all built-in authorization groups by exploiting a type mismatch in the bulk delete protection check. The bulk AJAX endpoint in the management views compares...

CVE-2026-22660 FlaskBB Logic Flaw Authorization Group Deletion via Bulk AJAX Endpoint

FlaskBB through 2.2.0, fixed in commit a5da9a5, contains a logic flaw vulnerability that allows authenticated administrators to delete all built-in authorization groups by exploiting a type mismatch in the bulk delete protection check. The bulk AJAX endpoint in the management views compares...

CVE-2026-22660 FlaskBB Logic Flaw Authorization Group Deletion via Bulk AJAX Endpoint

FlaskBB through 2.2.0, fixed in commit a5da9a5, contains a logic flaw vulnerability that allows authenticated administrators to delete all built-in authorization groups by exploiting a type mismatch in the bulk delete protection check. The bulk AJAX endpoint in the management views compares...

flaskbb-plugin-atom (>=0.1.0 <=0.2.0), flaskbb-plugin-conversations (=2.0.1) +6 more potentially affected by CVE-2026-46556 via flaskbb (=2.2.0)

flaskbb PYPI version =2.2.0 is affected by a known vulnerability. The following packages have a transitive dependency on flaskbb and may be impacted: - flaskbb-plugin-atom =0.1.0, =0.0.1, =0.1.0, =0.0.1, =0.1.0 Source cves: CVE-2026-46556 Source advisory: OSV:GHSA-XQ32-9G7Q-7297...

Server-side Request Forgery (SSRF)

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 getimageinfo function. An attacker can access internal network resources and sensitive cloud metadata by supplying a crafted URL as t...

PT-2026-42653

Summary 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 scanni...