CVE Explorer

CVE-2026-54006

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/v1/calendars/events/{event_id}/update validates that the caller has write access to the calendar the event currently belongs to, but does not validate the destination calendar_id supplied in the request body. The model layer then persists the new calendar_id unconditionally. A regular user-role account can therefore create an event in their own calendar and immediately mov

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f555803e6f18856be4265f3d5c5d182335d1e272db72b7890b1faa623b837066

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"open-webui","vendor":"open-webui","versions":[{"status":"affected","version":"< 0.9.6"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5c2bbeab120c96cac6a758cd59e698c56546f9bb9961dd6d2df71b02f0f48bed · sha256:15c2d1c4137655d9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:5c2bbeab120c96cac6a758cd59e698c56546f9bb9961dd6d2df71b02f0f48bed · sha256:15c2d1c4137655d9… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5c2bbeab120c96cac6a758cd59e698c56546f9bb9961dd6d2df71b02f0f48bed · sha256:15c2d1c4137655d9… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/open-webui/open-webui/security/advisories/GHSA-f3g7-59qc-pqg6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-f3g7-59qc-pqg6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5c2bbeab120c96cac6a758cd59e698c56546f9bb9961dd6d2df71b02f0f48bed · sha256:15c2d1c4137655d9… · /containers/cna/references/0

{"tags":["exploit"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-f3g7-59qc-pqg6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5c2bbeab120c96cac6a758cd59e698c56546f9bb9961dd6d2df71b02f0f48bed · sha256:15c2d1c4137655d9… · /containers/adp/0/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.

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