PraisonAI Vulnerable to Stored XSS via Unsanitized Agent Output in HTML Rendering (nh3 Not a Required Dependency)

SummaryThe Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The sanitizehtml function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml. When nh3 is absent the default installation, the...

PYSEC-2026-2989 pyLoad: Unprotected storage_folder enables arbitrary file write to Flask session store and code execution (Incomplete fix for CVE-2026-33509)

Summary The fix for CVE-2026-33509 GHSA-r7mc-x6x7-cqxx added an ADMINONLYOPTIONS set to block non-admin users from modifying security-critical config options. The storagefolder option is not in this set and passes the existing path restriction because the Flask session directory is outside both...

pyLoad: Unprotected storage_folder enables arbitrary file write to Flask session store and code execution (Incomplete fix for CVE-2026-33509)

SummaryThe fix for CVE-2026-33509 GHSA-r7mc-x6x7-cqxx added an ADMINONLYOPTIONS set to block non-admin users from modifying security-critical config options. The storagefolder option is not in this set and passes the existing path restriction because the Flask session directory is outside both...

PT-2026-59681

Summary Serena's built-in web dashboard exposes an unauthenticated Flask API on a fixed, predictable port TCP 24282, hardcoded as 0x5EDA in constants.py. The server has no authentication, no CSRF protection, and no Host header validation. A DNS rebinding attack allows a malicious webpage to reach...

PT-2026-59145

Summary Flask-Security-Too 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an already-authenticated but stale victim session, they can complete OAuth verification using their own OAuth...

PT-2026-59243

Summary StrictRolePermission and AuthorityCreatorPermission in lemur/auth/permissions.py call flask principal.Permission. init with zero Needs when their config flags are unset. Both flags defaulted to False in code prior to the fix, so this was the state of any Lemur install that hadn't explicit...

PT-2026-64221

Circular JSON Schema $ref causes unbounded CPU DoS in json repair Summary SchemaRepairer.resolve schema in json repair follows JSON Schema $ref pointers in an unbounded while loop without any cycle detection. An attacker who can supply a schema containing a self-referencing $ref e.g., via the dem...

PT-2026-59541

Summary PraisonAI ships a legacy Flask API server with authentication disabled by default. When that server is used, any caller that can reach it can access /agents and trigger the configured agents.yaml workflow through /chat without providing a token. Details The vulnerable server is the shippe...

PT-2026-59545

Summary The Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The sanitize html function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml. When nh3 is absent the default installation, the...

CVE-2026-22660

FlaskBB

EUVD-2026-42077

Serena: Unauthenticated Flask dashboard on fixed port enables DNS rebinding → memory poisoning → RCE...

Cross-site Request Forgery (CSRF)

Overview serena-agent is an A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF in the unauthenticated Flask dashboard API, which is exposed on a fixed...

CVE-2026-15034

A vulnerability has been found in flask-dashboard Flask-MonitoringDashboard up to 5.0.2. Affected by this issue is some unknown functionality. Such manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used...

CVE-2026-15034 flask-dashboard Flask-MonitoringDashboard cross-site request forgery

A vulnerability has been found in flask-dashboard Flask-MonitoringDashboard up to 5.0.2. Affected by this issue is some unknown functionality. Such manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used...

CVE-2026-15034 flask-dashboard Flask-MonitoringDashboard cross-site request forgery

A vulnerability has been found in flask-dashboard Flask-MonitoringDashboard up to 5.0.2. Affected by this issue is some unknown functionality. Such manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used...

CVE-2026-15034

CVE-2026-15034 affects the Flask-MonitoringDashboard component of the Flask-dashboard project up to version 5.0.2. The issue is described as a cross-site request forgery (CSRF) affecting an unknown functionality, with the attack potentially executable remotely. Public exploit information is indic...

CVE-2026-15034

A vulnerability has been found in flask-dashboard Flask-MonitoringDashboard up to 5.0.2. Affected by this issue is some unknown functionality. Such manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used...

EUVD-2026-42238

A vulnerability has been found in flask-dashboard Flask-MonitoringDashboard up to 5.0.2. Affected by this issue is some unknown functionality. Such manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used...

CVE-2026-15034 flask-dashboard Flask-MonitoringDashboard cross-site request forgery

A vulnerability has been found in flask-dashboard Flask-MonitoringDashboard up to 5.0.2. Affected by this issue is some unknown functionality. Such manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used...

Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by a sensitive information caching vulnerability due to Flask

Summary Flask is used by IBM Cloud Pak for Data System 1.0 as a WSGI web application framework. CVE-2026-27205 affects Flask's session handling, where certain forms of session object access such as the Python in operator fail to set the Vary: Cookie header, resulting in session-specific responses...