{"id":"CVE-2026-61808","state":"PUBLISHED","title":"LightRAG: Missing Authentication for Critical API Functions in Default Configuration","description":"LightRAG provides simple and fast retrieval-augmented generation. Through version 1.5.4, the LightRAG API server binds to all network interfaces with authentication disabled by default, allowing an unauthenticated network attacker to read indexed document content, upload or delete documents, modify the knowledge graph, cancel pipelines, clear caches, and consume LLM resources. This issue is mitigated in version 1.5.5rc1.","publishedAt":"2026-08-07T20:09:49.052Z","updatedAt":"2026-08-10T12:25:42.443Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["HKUDS LightRAG"],"affected":[{"vendor":"HKUDS","product":"LightRAG","versions":[{"version":"< 1.5.5rc1","status":"affected"}]}],"references":["https://github.com/HKUDS/LightRAG/security/advisories/GHSA-mmg5-8x8q-v934","https://github.com/HKUDS/LightRAG/commit/0bd102401b4b28a02664e5b6af476bf7a4470292"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/61xxx/CVE-2026-61808.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-61808","state":"PUBLISHED","datePublished":"2026-08-07T20:09:49.052Z","dateUpdated":"2026-08-10T12:25:42.443Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-10T20:17:57.991Z"},"containers":{"cna":{"title":"LightRAG: Missing Authentication for Critical API Functions in Default Configuration","descriptions":[{"lang":"en","value":"LightRAG provides simple and fast retrieval-augmented generation. Through version 1.5.4, the LightRAG API server binds to all network interfaces with authentication disabled by default, allowing an unauthenticated network attacker to read indexed document content, upload or delete documents, modify the knowledge graph, cancel pipelines, clear caches, and consume LLM resources. This issue is mitigated in version 1.5.5rc1."}],"affected":[{"vendor":"HKUDS","product":"LightRAG","versions":[{"version":"< 1.5.5rc1","status":"affected"}]}],"references":[{"url":"https://github.com/HKUDS/LightRAG/security/advisories/GHSA-mmg5-8x8q-v934","name":"https://github.com/HKUDS/LightRAG/security/advisories/GHSA-mmg5-8x8q-v934","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/HKUDS/LightRAG/commit/0bd102401b4b28a02664e5b6af476bf7a4470292","name":"https://github.com/HKUDS/LightRAG/commit/0bd102401b4b28a02664e5b6af476bf7a4470292","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"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:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306: Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-07T20:09:49.052Z"},"source":{"advisory":"GHSA-mmg5-8x8q-v934","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/HKUDS/LightRAG/security/advisories/GHSA-mmg5-8x8q-v934","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-10T12:25:18.310012Z","id":"CVE-2026-61808","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-10T12:25:42.443Z"}}]}}}