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coder/coderd
Garrett Delfosse 76bf462bbf fix(coderd): prevent user-admin from resetting owner password (#25709)
`PUT /api/v2/users/{user}/password` was protected only by
`ActionUpdatePersonal`, which the built-in `user-admin` role holds
site-wide. No guard prevented targeting an owner. The old-password check
is skipped for non-self resets, so a user-admin could reset any owner's
password and authenticate as them, gaining full deployment control.

Add an owner-role guard to `putUserPassword` that refuses password-reset
requests when the target holds the owner role unless the caller is also
an owner. This is modeled on the guard in `putUserStatus`, but differs
in that it conditionally allows owner-to-owner resets (whereas
`putUserStatus` blocks all suspension of owners regardless of caller).

Fixes https://linear.app/codercom/issue/PLAT-227

<details><summary>Implementation details</summary>

- Guard inserted after the `Authorize` check, before `httpapi.Read`
- `apiKey.UserID != user.ID` gates the check so self-password-change is
unaffected
- Acting user's roles fetched from DB to verify owner status (same
pattern as `putUserStatus`)
- Returns HTTP 400 consistent with sibling handler error style
- Two new test cases: `UserAdminCannotResetOwnerPassword`,
`OwnerCanResetOwnerPassword`

</details>

> Generated with [Coder Agents](https://coder.com) by @f0ssel
2026-06-04 14:36:25 -04:00
..
2026-06-03 15:37:19 -05:00