{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-85734","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-09-04T14:50:16.719Z","datePublished":"2026-09-22T16:18:14.144Z","dateUpdated":"2026-09-22T17:43:42.025Z"},"containers":{"cna":{"title":"LightRAG: No Rate Limiting on /login Endpoint Allows Brute-Force Attacks","problemTypes":[{"descriptions":[{"cweId":"CWE-307","lang":"en","description":"CWE-307: Improper Restriction of Excessive Authentication Attempts","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/HKUDS/LightRAG/security/advisories/GHSA-frch-4w6v-q5xx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/HKUDS/LightRAG/security/advisories/GHSA-frch-4w6v-q5xx"},{"name":"https://github.com/HKUDS/LightRAG/pull/3424","tags":["x_refsource_MISC"],"url":"https://github.com/HKUDS/LightRAG/pull/3424"},{"name":"https://github.com/HKUDS/LightRAG/commit/135bc9056e9ecd800c1abe2f2ce24d1a86622a54","tags":["x_refsource_MISC"],"url":"https://github.com/HKUDS/LightRAG/commit/135bc9056e9ecd800c1abe2f2ce24d1a86622a54"},{"name":"https://github.com/HKUDS/LightRAG/releases/tag/v1.5.5","tags":["x_refsource_MISC"],"url":"https://github.com/HKUDS/LightRAG/releases/tag/v1.5.5"}],"affected":[{"vendor":"HKUDS","product":"LightRAG","versions":[{"version":"< 1.5.5","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-22T16:18:14.144Z"},"descriptions":[{"lang":"en","value":"LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the POST /login endpoint in lightrag/api/lightrag_server.py does not impose a rate limit, account lockout, delay, or counter for failed authentication attempts. A network attacker can submit password guesses at full request speed until a valid account password is found. Successful credential recovery grants authenticated access to documents, the knowledge graph, and administrative operations. This issue is fixed in version 1.5.5."}],"source":{"advisory":"GHSA-frch-4w6v-q5xx","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-22T17:36:54.076707Z","id":"CVE-2026-85734","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-22T17:43:42.025Z"}}]}}