medium4.3
CVE-2026-87013
Open WebUI: Any authenticated user can start a non-terminating request via a folder parent cycle
Impact
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/v1/folders/{id}/update/parent allowed a user to place a folder under itself or one of its descendants, while the folder tree walks used by DELETE /api/v1/folders/{id} and POST /api/v1/folders/{id}/read did not track visited folder identifiers. An authenticated user could persist a parent cycle and start a request that consumed CPU and memory indefinitely, with the condition remaining stored until repaired. This issue is fixed in version 0.11.1.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | open-webui | >= 0.10.0, <= 0.11.0 | 0.11.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openwebui | Open Webui | from 0.10.0 before 0.11.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-8r35-5x5r-hv74
- https://github.com/open-webui/open-webui/security/advisories/GHSA-8r35-5x5r-hv74
- https://nvd.nist.gov/vuln/detail/CVE-2026-87013
- https://github.com/open-webui/open-webui/pull/28748
- https://github.com/open-webui/open-webui/commit/23b3a69bc26839bfa74edd1be6bfa2568ae902f4
- https://github.com/open-webui/open-webui/releases/tag/v0.11.1