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Major AI Clients Shipping With Broken OAuth Implementations
published on 2026-05-05 15:51:04 UTC by /u/mhatContent:
The majority of widely used AI clients like:
- Claude Code
- Claude Desktop
- Cursor
- LibreChat
- Amazon Q CLI
have not implemented the critical refresh-token flow of the OAuth standard.
This is forcing developers to issue long lived tokens creating a serious security regression in an already solved problem.
This write up includes a matrix table of 14 major clients with notes linking to feature requests, pull requests, and multiple forum discussions.
It is not all gloom and doom though!
There is a work-around solution that security conscious users are using as a stop-gap also discussed, along with a best practices guide for developers implementing their own MCP OAuth Solution.
The plan is to update this reference on a monthly basis to track if there is any movement on this open requests.
[link] [comments]
https://www.reddit.com/r/netsec/comments/1t4jfdp/major_ai_clients_shipping_with_broken_oauth/
Published: 2026 05 05 15:51:04
Received: 2026 05 05 16:00:38
Feed: /r/netsec - Information Security News and Discussion
Source: /r/netsec - Information Security News and Discussion
Category: Cyber Security
Topic: Cyber Security
Views: 3
