GHSA-WJ6G-V78P-6FX3 PraisonAI has an origin validation bypass in MCP HTTP Stream transport that allows browser-mediated unauthenticated tool execution on local MCP server

Summary PraisonAI's MCP HTTP Stream transport uses an unsafe prefix match when validating the Origin header. The default localhost allowlist includes origins such as http://localhost, and the validation accepts any origin that starts with an allowed value. As a result, an attacker-controlled orig...

CVE-2026-55532: Origin Validation Error

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, MCP HTTP Stream validateorigin uses requestorigin.startswithallowed, allowing the attacker-controlled localhost.attacker.com HTTP origin to satisfy the localhost allowlist. A webpage can send Content-Type: text/plain requests...

CVE-2026-55529: Missing Authentication for Critical Function

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, the MCP HTTP Stream validateorigin method accepts requestorigin.startswithallowed, so the attacker-controlled localhost.evil.example HTTP origin matches the localhost allowlist. Without an API key, a malicious webpage can submit...

PT-2026-81345

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.6.58 Description A Cross-Site Request Forgery CSRF issue exists in the MCP HTTP-stream transport. The validate origin function in transports/http stream.py uses a prefix match via startswith to validate the reques...

PT-2026-81320

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.6.58 Description The MCP HTTP Stream transport in PraisonAI uses an unsafe prefix match when validating the Origin header via the validate origin method. The validation logic accepts any origin that starts with an...

Improper Input Validation

Overview PraisonAI is a PraisonAI is an AI Agents Framework with Self Reflection. PraisonAI application combines PraisonAI Agents, AutoGen, and CrewAI into a low-code solution for building and managing multi-agent LLM systems, focusing on simplicity, customisation, and efficient human-agent...

Duplicate Advisory: PraisonAI: MCP HTTP-stream transport is unauthenticated by default, exposing tool enumeration and an unvalidated tool-call surface

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hc5v-gxvj-58wh. This link is maintained to preserve external references. Original Description PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key...

CVE-2026-61427

PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key option defaults to None, and the server only enforces Authorization/Bearer checks when an API key is configured. When an operator runs 'praisonai mcp serve --transport http-stream'...

CVE-2026-61427 PraisonAI before 4.6.78 Authentication Bypass via HTTP-stream

PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key option defaults to None, and the server only enforces Authorization/Bearer checks when an API key is configured. When an operator runs 'praisonai mcp serve --transport http-stream'...

CVE-2026-61427 PraisonAI before 4.6.78 Authentication Bypass via HTTP-stream

PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key option defaults to None, and the server only enforces Authorization/Bearer checks when an API key is configured. When an operator runs 'praisonai mcp serve --transport http-stream'...

CVE-2026-61427

PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key option defaults to None, and the server only enforces Authorization/Bearer checks when an API key is configured. When an operator runs 'praisonai mcp serve --transport http-stream'...

PT-2026-60135

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.6.78 Description The MCP HTTP-stream transport is exposed without authentication by default because the CLI --api-key option defaults to None, and the server only enforces Authorization/Bearer checks when an API k...

GHSA-84XM-R438-86PX Envoy: HTTP - filter chain execution on reset streams causing UAF crash

Note: This vulnerability was originally reported to the Google OSS VRP Issue ID: 477542544. The Google Security Team requested that I coordinate directly with the Envoy maintainers for triage and remediation. I am submitting this report here to facilitate that process. Technical Details I have...

php:7.4 security update

libzip 1.6.1-1 - update to 1.6.1 - enable lzma support php 7.4.33-3 - Fix Heap-Use-After-Free in sapireadpostdata Processing in CLI SAPI Interface GHSA-4w77-75f9-2c8w - Fix Configuring a proxy in a stream context might allow for CRLF injection in URIs CVE-2024-11234 - Fix Single byte overread wit...

RLSA-2025:7431 Moderate: php security update

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fixes: php: Header parser of http stream wrapper does not handle folded headers CVE-2025-1217 php: Stream HTTP wrapper header check might omit basic auth header CVE-2025-1736 php: Streams HTTP wrapper...

php security update

An update is available for php. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list PHP is an HTML-embedded scripting language commonly used with the Apache HTTP...

php: Header parser of http stream wrapper does not handle folded headers

A flaw was found in PHP. This vulnerability allows misinterpretation of HTTP response headers, potentially leading to incorrect usage of headers, MIME types, and other response attributes via incorrect parsing of folded headers in the HTTP request module...

php: Header parser of http stream wrapper does not handle folded headers

A flaw was found in PHP. This vulnerability allows misinterpretation of HTTP response headers, potentially leading to incorrect usage of headers, MIME types, and other response attributes via incorrect parsing of folded headers in the HTTP request module...

Moderate: Red Hat Security Advisory: php security update

An update for php is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CV...

ALSA-2025:7432 Moderate: php:8.2 security update

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fixes: php: Leak partial content of the heap through heap buffer over-read in mysqlnd CVE-2024-8929 php: Single byte overread with convert.quoted-printable-decode filter CVE-2024-11233 php: Configuring ...