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CVE-2026-59213Open WebUI: Cross-user model-list exposure via static cache key in get_all_models (aiocache key= vs key_builder= misuse)
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.27 before 0.10.0, get_all_models handlers in routers/openai.py and routers/ollama.py passed a lambda to aiocache key instead of key_builder, causing permission-filtered per-user model lists to share a static cache entry and exposing one user’s model list to another caller during the TTL window. This issue is fixed in version 0.10.0.
5.0 MEDIUMEPSS 0.37%Not in KEVNVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 5.0 | MEDIUM | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| 3.5 | LOW | 3.1GitHub_M (CNA) | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N |
Details
- CVE ID
- CVE-2026-59213
- Status
- Analyzed
- Assigner (CNA)
- GitHub_M
- Published
- Jul 9, 2026
- Last modified
- 2026-07-10 19:49 UTC
- Weaknesses
- CWE-524 · Use of Cache Containing Sensitive Information
Affected Products
As published by the CNA in the CVE record.
open-webuiopen-webui1 version range
- >= 0.6.27, < 0.10.0
References
- github.com https://github.com/open-webui/open-webui/commit/0fc630b34b2899599dabffffa012afd47599aa75
- github.com https://github.com/open-webui/open-webui/pull/25783
- github.com https://github.com/open-webui/open-webui/releases/tag/v0.10.0
- github.com https://github.com/open-webui/open-webui/security/advisories/GHSA-3wp3-xxj9-5jqq