PYSEC-2026-3892 PraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cross-site request forgery against the PraisonAI MCP HTTP server

Summary The PraisonAI MCP server exposes an HTTP-stream transport praisonai mcp serve --transport http-stream that binds to localhost and, by default, has no API key. Its only access control for browser-originated requests is an Origin allowlist, which the code implements as required by the MCP...

PYSEC-2026-3902 praisonaiagents vulnerable to arbitrary file write via unsanitized `user_id` in `FileMemory.__init__()` — path traversal to any writable location

Summary praisonaiagents/memory/filememory.py::FileMemory.init constructs all memory file paths by directly joining the userid parameter to a base path: python self.userpath = self.basepath / userid LINE 145 — no sanitization No validation or normalization is applied to userid before the path join...

PYSEC-2026-3931 utcp-gql SSRF: CVE-2026-44661 fix not applied to the GraphQL and WebSocket plugins

Summary The fix for CVE-2026-44661 commit 5b16e43 added the ensuresecureurl / issecureurl helpers and wired them into the three HTTP-family plugins, but it did not reach the GraphQL or WebSocket plugins. The GraphQL plugin utcp-gql still uses the startswith prefix check that the fix explicitly...

PYSEC-2026-3915 qwed-mcp has Unsafe SymPy `parse_expr()` Remote Code Execution via Unsanitized Math Expression Input

Summary verifymathexpression in qwed-mcp v0.2.0 passes attacker-controlled strings directly to SymPy's parseexpr without restricting globaldict or validating the expression's AST. Because parseexpr internally calls eval and Python automatically injects the current module's builtins when no explic...

PYSEC-2026-3893 PraisonAI: `--api-key` flag on `praisonai serve` is not properly enforced

Summary praisonai serve agents and praisonai serve unified both accept --api-key for authentication. The flag is parsed but never wired into the FastAPI app — no middleware, no header check, nothing. The server runs wide open regardless of what key you set. Tested on 4.6.50 from PyPI. Affected...

PraisonAI: `--api-key` flag on `praisonai serve` is not properly enforced

Summarypraisonai serve agents and praisonai serve unified both accept --api-key for authentication. The flag is parsed but never wired into the FastAPI app — no middleware, no header check, nothing. The server runs wide open regardless of what key you set. Tested on 4.6.50 from PyPI. Affected...

PYSEC-2026-3899 praisonaiagents: AgentServer declares auth_token but never enforces it on any route

Researcher: Kai Aizen — SnailSploit @SnailSploit, Adversarial & Offensive Security Research Target: https://github.com/MervinPraison/PraisonAI --- Package: praisonaiagents on PyPI Affected version empirically tested: 1.6.48 Component: praisonaiagents.server.AgentServer the bundled HTTP / SSE serv...

PYSEC-2026-3887 PraisonAI serve agents --api-key is ignored, allowing unauthenticated remote agent execution

Summary PraisonAI's praisonai serve agents command exposes --api-key as the documented authentication control for production/external deployments, but the configured key is not enforced on the public agent invocation compatibility endpoints. An operator can start the server with --api-key and bin...

PYSEC-2026-3901 praisonaiagents: ast_grep_rewrite rewrites arbitrary files without the @require_approval gate enforced on every sibling mutation tool

Target: PraisonAI MervinPraison/PraisonAI Affected component: praisonaiagents/tools/astgreptool.py — astgreprewrite Affected versions: master at ce97667156a116c50b4a3d1aa21e09f048903fda; reproduced against the current praisonaiagents PyPI release praisonaiagents --rewrite --lang --update-all line...

praisonaiagents has an SSRF protection bypass in `spider_tools._host_is_blocked()` via DNS-resolved hostnames (`127.0.0.1.nip.io`)

Summarypraisonaiagents/tools/spidertools.py contains an SSRF protection bypass. The functionhostisblocked validates URLs against a list of blocked IP literals and hostnamealiases, but never performs DNS resolution. Any hostname that resolves to a private orloopback IP address — including public...

PYSEC-2026-3905 praisonaiagents has an SSRF protection bypass in `spider_tools._host_is_blocked()` via DNS-resolved hostnames (`127.0.0.1.nip.io`)

Summary praisonaiagents/tools/spidertools.py contains an SSRF protection bypass. The function hostisblocked validates URLs against a list of blocked IP literals and hostname aliases, but never performs DNS resolution. Any hostname that resolves to a private or loopback IP address — including publ...

PYSEC-2026-3894 PraisonAI: [Auth Bypass] `praisonai serve agents --api-key` is silently ignored — agent-invocation routes (`POST /agents`, `POST /agents/{agent_name}`) run unauthenticated

Summary praisonai serve agents exposes HTTP routes that invoke registered agents. The CLI advertises --api-key with help text "API key for authentication", parses it, and forwards it into ServeHandler. But createagentsapp never reads config"apikey" again and installs no auth dependency or...

praisonaiagents: AgentServer declares auth_token but never enforces it on any route

Researcher: Kai Aizen — SnailSploit @SnailSploit, Adversarial & Offensive Security ResearchTarget: https://github.com/MervinPraison/PraisonAI---Package: praisonaiagents on PyPIAffected version empirically tested: 1.6.48Component: praisonaiagents.server.AgentServer the bundled HTTP / SSE server---...

PraisonAI MCP HTTP server has unauthenticated unbounded session accumulation (memory exhaustion; session TTL never enforced)

SummaryThe PraisonAI MCP HTTP-stream server creates a new in-memory session on every initialize request and never removes it. The cleanup routine that would expire sessions cleanupsessions is defined but never called anywhere in the codebase, and the configured session TTL is never enforced. Ther...

PYSEC-2026-3897 PraisonAI MCP HTTP server has unauthenticated unbounded session accumulation (memory exhaustion; session TTL never enforced)

Summary The PraisonAI MCP HTTP-stream server creates a new in-memory session on every initialize request and never removes it. The cleanup routine that would expire sessions cleanupsessions is defined but never called anywhere in the codebase, and the configured session TTL is never enforced. The...

PraisonAI: [Auth Bypass] `praisonai serve agents --api-key` is silently ignored — agent-invocation routes (`POST /agents`, `POST /agents/{agent_name}`) run unauthenticated

Summarypraisonai serve agents exposes HTTP routes that invoke registered agents. The CLI advertises --api-key with help text "API key for authentication", parses it, and forwards it into ServeHandler. But createagentsapp never reads config"apikey" again and installs no auth dependency or middlewa...

praisonaiagents: ast_grep_rewrite rewrites arbitrary files without the @require_approval gate enforced on every sibling mutation tool

Target: PraisonAI MervinPraison/PraisonAIAffected component: praisonaiagents/tools/astgreptool.py — astgreprewriteAffected versions: master at ce97667156a116c50b4a3d1aa21e09f048903fda; reproduced against the current praisonaiagents PyPI release praisonaiagents = 1.6.52. SummaryTools in...

PraisonAI serve agents --api-key is ignored, allowing unauthenticated remote agent execution

Summary PraisonAI's praisonai serve agents command exposes --api-key as the documented authentication control for production/external deployments, but the configured key is not enforced on the public agent invocation compatibility endpoints. An operator can start the server with --api-key and bin...

PYSEC-2026-3862 mcp-contextforge-gateway has RestrictedPython sandbox bypass via getattr builtin in python_sandbox_server

Commit: f855e54d5b7bc1c91b977574a03b91eff6b86bb6 Component: mcp-servers/python/pythonsandboxserver/src/pythonsandboxserver/serverfastmcp.py Vulnerability RestrictedPython's sandbox in ContextForge's pythonsandboxserver sub-project allows arbitrary Python execution via three compounding weaknesses...

PraisonAI workflow include bypasses tools.py autoload opt-in and executes included recipe code

SummaryPraisonAI's workflow include implementation implicitly imports and executes an included recipe's tools.py file even when the documented tools.py autoload opt-in is unset.This bypasses the hardening added for the prior automatic tools.py RCE advisory family. A workflow that includes an...