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EUVD-2026-335380

2026-10-06T10:22:54.130725+00:00

EUVD-2026-335380

fkie_cve-2026-55077

2026-10-06T10:22:54.130811+00:00

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the `PUT /api/v2/users/{user}/password` endpoint authorized only `ActionUpdatePersonal` and did not prevent a `user-admin` from resetting an `owner` account's password. It also did not require the current password when an admin reset another user's password. Exploitation requires the privileged `user-admin` role so practical risk is limited to deployments that grant `user-admin` to less trusted operators. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 prevents non-owner users from resetting the password of an account that holds the `owner` role. As a workaround, restrict the `user-admin` role to trusted administrators.

GHSA-29xf-69gq-m9jx — Coder: User-admin role can reset owner account password

2026-10-06T10:22:54.130870+00:00

Affected: Go: github.com/coder/coder/v2

### Summary

The `PUT /api/v2/users/{user}/password` endpoint authorized only `ActionUpdatePersonal` and did not prevent a `user-admin` from resetting an `owner` account's password. It also did not require the current password when an admin reset another user's password.

> **Note:** Exploitation requires the privileged `user-admin` role so practical risk is limited to deployments that grant `user-admin` to less trusted operators.

### Impact

A `user-admin` could reset any owner's password without knowing it, authenticate as that owner and gain full deployment control, including templates, workspaces, licensing, organization settings and the ability to self-assign the `owner` role. This was a privilege escalation from `user-admin` to `owner`.

### Patches

The fix prevents non-owner users from resetting the password of an account that holds the `owner` role.

The fix was backported to all supported release lines:

| Release line | Patched version | |---|---| | 2.34 | [v2.34.2](https://github.com/coder/coder/releases/tag/v2.34.2) | | 2.33 | [v2.33.8](https://github.com/coder/coder/releases/tag/v2.33.8) | | 2.32 | [v2.32.7](https://github.com/coder/coder/releases/tag/v2.32.7) | | 2.29 (ESR) | [v2.29.17](https://github.com/coder/coder/releases/tag/v2.29.17) |

### Workarounds

Restrict the `user-admin` role to trusted administrators until upgrading.

### Resources - Fix: #25709

### Credits

Coder would like to thank Anthropic's Security Team (ANT-2026-22436) for independently…