No-JS form submits return 500

“TypeError: Cannot read properties of undefined (reading 'bind')”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/next-js/issues/12495/file
Follow it to file my report. Show me the text before you send.

No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Quiet. No reports in the last two weeks, down from 3 a week at the mid-October peak. A workaround is known.

No-JS form submits return 500 with async server external. With Turbopack, posting a Server Action form without JS fails when the action imports pg; the Next-Action fetch path works.

Is this your bug?

File my report

Where: Server Actions
Error text: TypeError: Cannot read properties of undefined (reading 'bind')
Versions: 15.5.27. Still reported on the newest version, 15.5.27.
Platforms: macOS
How bad: Breaks a normal workflow. Some reports say it used to work.

Not quite your bug?

Server actions 500 on stale shell2 people

Original reports3, newest first

Oct 14, 2026No-JS form submits return 500 when the action graph imports an async server external (Turbopack, 15.5.27)On GitHub#100156
Oct 14, 2026No-JS form submits return 500 when the action graph imports an async server external (Turbopack, 15.5.27)On GitHub#100154
Oct 13, 2026No-JS form submits return 500 when the action graph imports an async server external (Turbopack, 15.5.27)On GitHub#100149