Dev.to Security 🔐 Cybersecurity 👁 0 📖 3 min read

When Postman Installed AI Plugins Without Asking: Why Trust Got Broken

Let’s get straight to the point. Imagine one morning you fire up Postman (for many of us, the go-to tool for wrangling APIs), and without a single prompt, you notice new AI plugins, Codex and Claude, have appeared. Your

Let’s get straight to the point. Imagine one morning you fire up Postman (for many of us, the go-to tool for wrangling APIs), and without a single prompt, you notice new AI plugins, Codex and Claude, have appeared. Your configurations have changed, and suddenly, some API tasks are being routed through Postman, but you never agreed to this. No warning, no consent. Just done behind your back.

That’s exactly what happened on October 25, 2026, according to an issue reported on GitHub. A user opened Postman’s desktop app and was greeted with authentication warnings tied to coding agents they didn’t set up. The logs made it clear: Postman had auto-installed those plugins and set up a startup hook, quietly claiming control over parts of the API workflow. It actually overwrote user configs, didn’t ask, and acted like it owned the place.

Trust is Not Optional

Here’s the thing: there’s an unwritten contract between users and tools they rely on every day. We expect our software to stay in its lane. If I install something, I expect it to ask permission before changing how my other stuff works, especially if it’s installing new plugins or tinkering with how APIs are handled. Postman just bulldozed through that expectation. It’s the digital equivalent of a houseguest rearranging your living room while you’re out.

What’s worrying is how common this kind of behavior is becoming. Apps talk a lot about “improving user experience,” then quietly install extras or flip settings because they think they know better. That’s not just annoying, it gets into murky legal and ethical territory.

Under the Hood: What Went Wrong

Looking at it from an engineering perspective, this reveals a soft spot in Postman’s internal architecture. The app didn’t just change settings, it used self-approving installation hooks. In plain speak, Postman’s own script told itself, “Yes, go ahead, install these plugins, you have my permission.” No checks, no balances, no user in the loop. This sort of feedback loop opens the door for real trouble. Today it’s some built-in AI plugins, but what stops a bad actor from hijacking the same mechanism?

How the Community Reacted

You don’t have to scroll far on the GitHub issue to see what people think. Users felt blindsided, some even called Postman’s behavior malware-like. The thread racked up over 176 reactions, pretty unusual for what’s normally a straightforward support repo. When developers compare your software’s tactics to a virus, you’ve lost the plot. People are asking Postman to stop all automatic installations and spell out exactly what it’s doing behind the scenes. The backlash isn’t just about plugins. It’s about trust and respect for the user’s environment.

The Real Issue: Who Decides?

This isn’t just another corporate slip-up. As more AI-powered features sneak into the tools we use, where does the line get drawn? How much control are we willing to give up in exchange for convenience or new shiny workflows? In the rush to add smarter integrations, some companies forget that “ask first, implement after” is not just good manners, it’s a foundation for long-term trust.

Software is getting more powerful and, frankly, more nosy. It’s up to engineers and companies to remember that, at the end of the day, people want to feel in control of their own tools. Mess with that, and you’re not just risking a GitHub issue. You’re risking the entire relationship.

Maybe the next question is: when our favorite tools start making decisions for us, who’s really in charge?

Source: https://github.com/postmanlabs/postman-app-support/issues/14370

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