CVE-2026-87013 PUBLISHED

Open WebUI: Any authenticated user can start a non-terminating request via a folder parent cycle

Assigner: GitHub_M
Reserved: 08.09.2026 Published: 09.09.2026 Updated: 09.09.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS Score: 4.3

Product Status

Vendor open-webui
Product open-webui
Versions
  • Version >= 0.10.0, < 0.11.1 is affected

References

Problem Types

  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') CWE