The tabs permission sounds narrow but Chrome shows it with a broad warning because knowing every open tab's URL reveals a lot about your browsing. It is common in tab management, productivity and research tools, and understanding what it actually exposes helps you decide which extensions deserve it.
What the tabs permission allows
With the tabs permission, an extension can read the URL, title and loading status of every open tab and can create, close, reload or rearrange tabs. It does not by itself let the extension read page content; that requires a separate host permission, but knowing every tab's address is still sensitive.
Which extensions legitimately need it
Tab managers, session savers, tab groupers, screenshot tools and research or bookmarking extensions typically need this permission to function, since their entire purpose involves organizing or referencing your open tabs. An extension unrelated to tab management asking for this is worth a closer look.
How to check or remove the tabs permission
Open chrome://extensions, click Details on the extension, and review its listed permissions. Chrome does not let you toggle the tabs permission on its own; if you are uncomfortable with it, remove the extension entirely from the Details page or from Manage extensions.