Authorization Bypass Through User-Controlled Key Affecting open-webui package, versions [,0.9.6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PYTHON-OPENWEBUI-17400343
- published22 Jun 2026
- disclosed17 Jun 2026
- credit0xEr3n, 5yu4n
Introduced: 17 Jun 2026
NewCVE-2026-54015 (opens in a new tab)How to fix?
Upgrade open-webui to version 0.9.6 or higher.
Overview
open-webui is an Open WebUI
Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the handling of prompt history operations, including compute_diff, update_prompt_version, and delete_history_entry. An attacker can access or delete another user's private prompt history entries by supplying known victim history IDs to these endpoints after authenticating with their own prompt. This allows unauthorized reading of sensitive prompt snapshots and deletion of version history entries belonging to other users.