{"id":"CVE-2026-59212","aliases":["GHSA-2xwm-4h2q-ggfx","PYSEC-2026-3588"],"url":"https://o3.security/vulnerability/CVE-2026-59212","summary":"Open WebUI: Model meta.knowledge read-only file access can be upgraded to file write/delete","details":"Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, _verify_knowledge_file_access only checked read access while file write and delete routes later trusted object-derived access through writable model meta.knowledge entries, allowing a user with read-only knowledge file access to upgrade to file write or delete operations. This issue is fixed in version 0.10.0.","published":"2026-07-09T17:04:43.488Z","modified":"2026-08-12T03:51:32.914456595Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L"},"epss":{"score":0.0042,"percentile":0.35217,"asOf":"2026-09-07"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"open-webui","fixedVersion":"0.10.0"}],"fix":{"url":"https://github.com/open-webui/open-webui/commit/17df0264929514599dbcb21c6578bcdfa204b04d","label":"open-webui/open-webui@17df026"},"references":[{"type":"WEB","url":"https://github.com/open-webui/open-webui/releases/tag/v0.10.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59212.json"},{"type":"ADVISORY","url":"https://github.com/open-webui/open-webui/security/advisories/GHSA-2xwm-4h2q-ggfx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59212"},{"type":"FIX","url":"https://github.com/open-webui/open-webui/commit/17df0264929514599dbcb21c6578bcdfa204b04d"},{"type":"FIX","url":"https://github.com/open-webui/open-webui/pull/26032"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:32.914456595Z"}}