Flask-HTTPAuth invokes token verification callback when missing or empty token was given by client

Summary In a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token verification callback function with the token argument set to an empty string. If the application had any...

GHSA-P44Q-VQPR-4XMG Flask-HTTPAuth invokes token verification callback when missing or empty token was given by client

Summary In a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token verification callback function with the token argument set to an empty string. If the application had any...

Security Bulletin: Multiple security vulnerabilities are addressed with IBM Process Mining 2.1.1

Summary In addition to many updates of operating system level packages, the following security vulnerabilities are addressed with IBM Process Mining 2.1.1 Vulnerability Details CVEID:CVE-2026-22732 DESCRIPTION: When applications specify HTTP response headers for servlet applications using Spring...

Flask-HTTPAuth invokes token verification callback when missing or empty token was given by client

In a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token verification callback function with the token argument set to an empty string. If the application had any users in...

PT-2026-29428

Name of the Vulnerable Software and Affected Versions Flask-HTTPAuth versions prior to 4.8.1 Description Flask-HTTPAuth, when used with token authentication, could potentially authenticate client requests against any user in the database with an empty string set as their token if the client reque...

Security Bulletin: Location Service for ESRI Component uses cryptography-46.0.3, flask-3.1.2 and werkzeug-3.1.5 library which were vulnerable to CVE-2026-26007, CVE-2026-27205 and CVE-2026-27199 respectively

Summary Location Service for ESRI Component uses cryptography-46.0.3, flask-3.1.2 and werkzeug-3.1.5 library which were vulnerable to CVE-2026-26007, CVE-2026-27205 and CVE-2026-27199 respectively. Vulnerability Details CVEID:CVE-2026-27199 DESCRIPTION: Werkzeug is a comprehensive WSGI web...

Amazon Linux 2023 : python3-flask (ALAS2023-2026-1476)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1476 advisory. Flask is a web server gateway interface WSGI web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use o...

Security Bulletin: IBM Maximo Application Suite - Predict Component was using vulnerable library flask-3.1.2 which is vulnerable to CVE-2026-27205

Summary IBM Maximo Application Suite - Predict Component was using vulnerable library flask-3.1.2-py3-none-any.whl which is vulnerable to CVE-2026-27205. This bulletin contains information addressing the vulnerability. Vulnerability Details CVEID:CVE-2026-27205 DESCRIPTION: Flask is a web server...

Medium: python-flask

Issue Overview: Flask is a web server gateway interface WSGI web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs cach...

CVE-2026-4231

A vulnerability was found in vanna-ai vanna up to 2.0.2. Affected by this vulnerability is the function updatesql/runsql of the file src/vanna/legacy/flask/init.py of the component Endpoint. Performing a manipulation results in server-side request forgery. The attack may be initiated remotely. Th...

Exploit for CVE-2026-21994

CVE-2026-21994 Summary Oracle OKIT oci-designer-tool...

PT-2026-30341

Name of the Vulnerable Software and Affected Versions pyLoad affected versions not specified Description pyLoad, a Python-based download manager, has a flaw where a user with SETTINGS and ADD permissions can redirect downloads to the Flask filesystem session store. This allows planting a maliciou...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS : Flask vulnerability (USN-8104-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-8104-1 advisory. Shourya Jaiswal discovered that Flask did not correctly mark certain web responses as user-specific. A remote attacker could possibly use...

Ubuntu: Security Advisory (USN-8104-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

web-app-security-project

🛡️ Web Application Security Project 📌 Overview This projec...

USN-8104-1 flask vulnerability

Shourya Jaiswal discovered that Flask did not correctly mark certain web responses as user-specific. A remote attacker could possibly use this issue to obtain sensitive information...

USN-8104-1: Flask vulnerability

Shourya Jaiswal discovered that Flask did not correctly mark certain web responses as user-specific. A remote attacker could possibly use this issue to obtain sensitive information...

Exploit for Race Condition in Canonical Ubuntu_Linux

Dillu-Analyzer 🛡️ Dillu Analyzer — A web-based universal malwa...

EUVD-2026-12375

A vulnerability has been found in vanna-ai vanna up to 2.0.2. Affected is the function updatesql of the file src/vanna/legacy/flask/init.py of the component Endpoint. Such manipulation leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and ma...

GHSA-7432-952R-CW78 Authlib Vulnerable to JWE RSA1_5 Bleichenbacher Padding Oracle

Executive Summary A cryptographic padding oracle vulnerability was identified in the Authlib Python library concerning the implementation of the JSON Web Encryption JWE RSA15 key management algorithm. Authlib registers RSA15 in its default algorithm registry without requiring explicit opt-in,...