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MCP Python SDK flaw lets malicious servers steal OAuth credentials

The official MCP Python SDK (1.9.1–1.29.1 and 2.0.0–2.1.1) could send client secrets, auth codes, and PKCE keys to an attacker-controlled token endpoint when connecting over HTTP OAuth. Fix is 1.30.0 / 2.2.0; ClientCredentials and PrivateKeyJWT users must also set issuer=, clear stored registrations, and rotate secrets if they connected to untrusted servers.

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Study: ChatGPT, Claude, Gemini leak chat artifacts to ad trackers

IMDEA Networks and UC3M found six of nine chatbot web apps (ChatGPT, Gemini, Claude, Grok, Perplexity, Mistral) send conversation titles, prompts, or screenshots to ad/analytics trackers—often with persistent IDs. Cookie rejection barely helps; Grok was worst, exposing public share URLs to seven trackers by default…

IMDEA Networks

Perplexity red-teams SPACE: no VM escapes, four models bypass egress

Perplexity’s Escaping SPACE Part I gave nine models root in the sandbox behind Perplexity Computer: no VM to host escape in 108 runs. With partial network access, four models (Opus 5, GPT 5.6, Kimi K3) reached a blocked URL via DNS spoofing or shared IP OCR; both paths were patched, and 8 of 10 other sandboxes shared the IP issue…

Perplexity

ZCode finishes remediation: cloud data wiped, opt-in uploads only

Zhipu said ZCode’s Alibaba Cloud OSS bucket from the workspace upload incident is gone (verified by CAICT and NSFOCUS), open source ZCode is at 3.14.3 under Apache 2.0 with a “no upload unless the user starts it” rule, and paid users get quota reset cards plus 100M token packs through Oct 7…

TechNode

OpenRig: multi-agent harness for Claude Code and Codex teams

OpenRig’s Apache 2.0 @openrig/cli lets you define Claude Code and Codex teams in YAML and boot them with one rig up —local daemon, tmux seats, TUI, and MCP for topology control. Install with npm i g @openrig/cli ; run rig setup dry run first because launch writes provider hooks and workspace trust…

GitHub / OpenRig

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