Medium 5.9Published Oct 22, 2026

CVE-2026-115333Lotus through 0.10.2 Improper Authentication via Event Ingestion API Key Prefix

Updated under an hour ago (2026-10-22 15:00 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for uselotus lotus

Exploited in the last 30 days

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.

CVSS: 5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-287
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Received
Record last updated: Oct 22, 2026
First seen by InfoSec Signals: Oct 22, 2026

Affected products

Affected products

uselotus lotus uselotus:lotus (from the name)	through 0.10.2	CNA record

References

https://hackmd.io/@leediay/BkUc3WL2Mxtechnical-description
https://github.com/uselotus/lotus/blob/0.10.2/go/event-ingestion/authn/authn.go#L85-L95technical-description
https://github.com/uselotus/lotusproduct
https://www.vulncheck.com/advisories/lotus-through-0.10.2-improper-authentication-via-event-ingestion-api-key-prefixthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.