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Medium 6.5Published Jun 23, 2026

CVE-2026-54019Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline.

Updated under an hour ago ()

Does this affect you?

It affects openwebui open_webui. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI added collection-level ACL checks, but the patch can still be bypassed when Milvus multitenancy mode is enabled. The ACL allows unknown non-KB collection names as legacy/ephemeral collections. In Milvus multitenancy mode, that user-controlled collection name becomes a resource_id and is interpolated into a Milvus expression without escaping. This is caused by an incomplete fix for CVE-2026-44560 This vulnerability is fixed in 0.9.6.

CVSS
6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-862, CWE-943
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Jun 25, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
openwebui open_webui
openwebui:open_webui
before 0.9.6
NVD

References

  • exploit, mitigation, vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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