Where does the bug appear (feature/product)? Cursor IDE Describe the Bug In Canvas preview, a <Link> from cursor/canvas triggers multiple opens of the same external URL from one user click (multiple identical browser tabs and/or repeated “open external website” confirmations). Minimal repro: impo…

Describe the Bug when I click link at Canvas, it opens 8 tabs in my browser Steps to Reproduce Just click the link [image] Expected Behavior Only one tab is opened Operating System MacOS Version Information Version: 3.6.33 VS Code Extension API: 1.105.1 Commit: 453f0b5a181a2308f41943697740…

Hi @deanrie , Seeing the same bug with the inbuilt browser: Simple Browser: window.open host-side fanout leaks across tab close cycles — one click opens N tabs after N close-all cycles

Canvas: single click on <Link> opens the same external URL multiple times

Support Bug Reports

kbrouder (kbrouder) April 29, 2026, 9:48pm 4

believe this is the same as the bug I reported, please bump! Canvas SDK: <Link> click handlers leak across webview mounts — clicking a link opens N tabs after N canvas opens

Topic		Replies	Views
Canvas SDK: <Link> click handlers leak across webview mounts — clicking a link opens N tabs after N canvas opens Bug Reports canvas	1	92	April 17, 2026
Click on the link at Canvas opens 8tabs Bug Reports canvas	1	34	June 2, 2026
Simple Browser: window.open host-side fanout leaks across tab close cycles — one click opens N tabs after N close-all cycles Bug Reports browser	1	42	July 6, 2026
Cursor can't open canvas correctly Bug Reports canvas	7	174	July 7, 2026
Cursor agents window unexpectedly crashes after clicking file link Bug Reports nightly , crashes , agents-window	5	117	June 1, 2026

Canvas: single click on <Link> opens the same external URL multiple times

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