CVE Explorer
CVE-2026-44561
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the is_user_channel_member function checks whether a ChannelMember row exists but does not check the is_active field. When a user is deactivated from a group or DM channel (removed by the channel owner, or leaves voluntarily), their membership row persists with is_active=False and status='left'. Because the authorization check ignores this field, the deactivated user retains full re
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"open-webui","vendor":"open-webui","versions":[{"status":"affected","version":"< 0.9.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:26de64e1179a3aaf12496cbf21073047569579993765dacbf0ead7a57719fcd6 · sha256:66b78a7a70e3d75a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:26de64e1179a3aaf12496cbf21073047569579993765dacbf0ead7a57719fcd6 · sha256:66b78a7a70e3d75a… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:26de64e1179a3aaf12496cbf21073047569579993765dacbf0ead7a57719fcd6 · sha256:66b78a7a70e3d75a… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["exploit"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-hmgr-67hw-j2cq"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:26de64e1179a3aaf12496cbf21073047569579993765dacbf0ead7a57719fcd6 · sha256:66b78a7a70e3d75a… · /containers/adp/0/references/0
{"name":"https://github.com/open-webui/open-webui/security/advisories/GHSA-hmgr-67hw-j2cq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-hmgr-67hw-j2cq"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:26de64e1179a3aaf12496cbf21073047569579993765dacbf0ead7a57719fcd6 · sha256:66b78a7a70e3d75a… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.