{"id":"CVE-2026-115333","published":"2026-10-22T11:17:52.563","lastModified":"2026-10-23T15:17:28.193","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.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","cwes":["CWE-287"],"vendors":[],"products":[],"references":[{"url":"https://github.com/uselotus/lotus","tags":[]},{"url":"https://github.com/uselotus/lotus/blob/0.10.2/go/event-ingestion/authn/authn.go#L85-L95","tags":[]},{"url":"https://hackmd.io/@leediay/BkUc3WL2Mx","tags":[]},{"url":"https://www.vulncheck.com/advisories/lotus-through-0.10.2-improper-authentication-via-event-ingestion-api-key-prefix","tags":[]}],"exploitRefs":[{"url":"https://github.com/uselotus/lotus","tags":[]},{"url":"https://github.com/uselotus/lotus/blob/0.10.2/go/event-ingestion/authn/authn.go#L85-L95","tags":[]}],"hasPoc":true,"ai":null}