CVE-2026-55531

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, the MCP HTTP Stream mcppost handler creates a new sessions entry for every initialize request but does not call cleanupsessions or enforce a maximum. An unauthenticated caller can exhaust memory. The fix invokes cleanup and limit...

CVE-2026-55529

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...

CVE-2026-55529

PraisonAI (a multi-agent teams system) has an origin validation bypass in its MCP HTTP Stream transport. The _validate_origin method uses request_origin.startswith(allowed), so an attacker-controlled origin like http://localhost.evil.example matches the http://localhost allowlist entry via prefix...

CVE-2026-55529 PraisonAI: Origin validation bypass in MCP HTTP Stream transport allows browser-mediated unauthenticated tool execution on local MCP server

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...

EUVD-2026-65496

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...

CVE-2026-55529 PraisonAI: Origin validation bypass in MCP HTTP Stream transport allows browser-mediated unauthenticated tool execution on local MCP server

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...

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...

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...

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...

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...

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'...

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-2025:7418 Important: php:8.3 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...