CVE Explorer

CVE-2026-45395

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint (POST /api/v1/tools/id/{id}/update) is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been explicitly denied tool management capabilities ( and who the administrator considers untrusted for code execution ) to replace a tool's server-side Python content and trigger execution, bypassing the

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b1a6b747f77649d9e3325d77ba93b51dd70f1f2da50dbb9b475a0da2cd6c2a22

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:41033658c16fa6fa0044f9ff803b716a68c1477ed7f7fda7b99d524fa790ae0d · sha256:239ddbcee13e1417… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:41033658c16fa6fa0044f9ff803b716a68c1477ed7f7fda7b99d524fa790ae0d · sha256:239ddbcee13e1417… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion

{"product":"open-webui","vendor":"open-webui","versions":[{"status":"affected","version":"< 0.9.5"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:41033658c16fa6fa0044f9ff803b716a68c1477ed7f7fda7b99d524fa790ae0d · sha256:239ddbcee13e1417… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:41033658c16fa6fa0044f9ff803b716a68c1477ed7f7fda7b99d524fa790ae0d · sha256:239ddbcee13e1417… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions

{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:41033658c16fa6fa0044f9ff803b716a68c1477ed7f7fda7b99d524fa790ae0d · sha256:239ddbcee13e1417… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:41033658c16fa6fa0044f9ff803b716a68c1477ed7f7fda7b99d524fa790ae0d · sha256:239ddbcee13e1417… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/open-webui/open-webui/security/advisories/GHSA-p4fx-23fq-jfg6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-p4fx-23fq-jfg6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:41033658c16fa6fa0044f9ff803b716a68c1477ed7f7fda7b99d524fa790ae0d · sha256:239ddbcee13e1417… · /containers/cna/references/0

{"tags":["exploit"],"url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-p4fx-23fq-jfg6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:41033658c16fa6fa0044f9ff803b716a68c1477ed7f7fda7b99d524fa790ae0d · sha256:239ddbcee13e1417… · /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.

← Back to CVE Explorer