CVE-2026-115333 json
Lotus through 0.10.2 Improper Authentication via Event Ingestion API Key Prefix
published 2026-10-22 18 d ago modified 2026-10-23 17 d ago also EUVD-2026-108135
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 17 d ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.2 | 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 |
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| CNA | 4.0 | 8.2 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- uselotus lotus
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
hackmd.io
/@leediay/BkUc3WL2Mx
technical-description
-
github.com
/uselotus/lotus/blob/0.10.2/go/event-ingestion/authn/authn.go#L85-L95
technical-description
-
github.com
/uselotus/lotus
product
-
vulncheck.com
/advisories/lotus-through-0.10.2-improper-authentication-via-event-ingestion-api-key-prefix
third-party-advisory
Sources
- CVE List CVE-2026-115333
- NVD CVE-2026-115333
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