CVE-2026-115333

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 v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/uselotus/lotus
https://github.com/uselotus/lotus/blob/0.10.2/go/event-ingestion/authn/authn.go#L85-L95
https://hackmd.io/@leediay/BkUc3WL2Mx
https://www.vulncheck.com/advisories/lotus-through-0.10.2-improper-authentication-via-event-ingestion-api-key-prefix

Configurations

No configuration.

History

22 Oct 2026, 11:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-22 11:17

Updated : 2026-10-23 15:17

NVD link : CVE-2026-115333

Mitre link : CVE-2026-115333

CVE.ORG link : CVE-2026-115333

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

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