{"id":"CVE-2026-115333","revision":"f9e2af8b16ec4a98b01d4fbb2139cc3d","records":[{"revision":"f9e2af8b16ec4a98b01d4fbb2139cc3d","observedAt":"2026-10-23T16:48:20.594+00:00","statement":{"source":"cve-program","id":"CVE-2026-115333","aliases":[],"title":"Lotus through 0.10.2 Improper Authentication via Event Ingestion API Key Prefix","description":"Lotus through 0.10.2 contains an improper authentication vulnerability in the Go event ingestion middleware that validates API keys by prefix only, without checking the secret against the stored hashed_key. Attackers who know or obtain an API key prefix can submit usage events to POST /api/track/ as that organization, altering its metered usage and billing.","state":0,"publishedAt":"2026-10-22T10:57:49.499+00:00","modifiedAt":"2026-10-23T15:03:54.486+00:00","affected":[{"ecosystem":"Vendor product","name":"lotus","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"uselotus\",\n                    \"product\": \"lotus\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThanOrEqual\": \"0.10.2\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/uselotus/lotus\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.2,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","score":5.9,"severity":"MEDIUM"}],"references":["https://hackmd.io/@leediay/BkUc3WL2Mx","https://github.com/uselotus/lotus/blob/0.10.2/go/event-ingestion/authn/authn.go#L85-L95","https://github.com/uselotus/lotus","https://www.vulncheck.com/advisories/lotus-through-0.10.2-improper-authentication-via-event-ingestion-api-key-prefix"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115333","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-115333","identifiers":["CVE-2026-115333"]},"retained":false,"historicalAffected":[]}],"coverage":[]}