{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59218", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-02T21:05:02.924Z", "datePublished": "2026-07-09T15:53:54.653Z", "dateUpdated": "2026-07-09T17:50:41.900Z"}, "containers": {"cna": {"title": "Open WebUI: Account enumeration via observable login timing discrepancy", "problemTypes": [{"descriptions": [{"cweId": "CWE-208", "lang": "en", "description": "CWE-208: Observable Timing Discrepancy", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/open-webui/open-webui/security/advisories/GHSA-7rw5-9f7q-xj36", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/open-webui/open-webui/security/advisories/GHSA-7rw5-9f7q-xj36"}, {"name": "https://github.com/open-webui/open-webui/pull/26385", "tags": ["x_refsource_MISC"], "url": "https://github.com/open-webui/open-webui/pull/26385"}, {"name": "https://github.com/open-webui/open-webui/commit/993e74912199c66c522f08ec81abe31d76985e39", "tags": ["x_refsource_MISC"], "url": "https://github.com/open-webui/open-webui/commit/993e74912199c66c522f08ec81abe31d76985e39"}, {"name": "https://github.com/open-webui/open-webui/releases/tag/v0.10.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/open-webui/open-webui/releases/tag/v0.10.0"}], "affected": [{"vendor": "open-webui", "product": "open-webui", "versions": [{"version": "< 0.10.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-09T15:53:54.653Z"}, "descriptions": [{"lang": "en", "value": "Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, the /api/v1/auths/signin endpoint looked users up by email and only ran bcrypt password verification when a credential existed, making registered-account attempts measurably slower than missing-email attempts and allowing unauthenticated account enumeration. This issue is fixed in version 0.10.0."}], "source": {"advisory": "GHSA-7rw5-9f7q-xj36", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-09T17:50:34.890081Z", "id": "CVE-2026-59218", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-09T17:50:41.900Z"}}]}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.10.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "open-webui", "source": "cna", "vendor": "open-webui"}, "product": "open-webui", "vendor": "open-webui"}], "created": "2026-07-09T17:30:17.302370+00:00", "updated": "2026-07-09T17:30:17.302393+00:00", "vendors": ["open-webui", "open-webui$PRODUCT$open-webui"]}