Auth bypass in Smartloli Efak
CVE-2026-111682
EFAK 5.0.0 through 5.1.0 contains a missing authorization vulnerability that allows authenticated low-privilege users to read LLM provider API keys through the /api/model-config REST API. Attackers with any ROLE_USER account can query /api/model-config/page or /api/model-config/{id} to retrieve unmasked keys, enabling provider account access and incurred costs.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@hieuPenguinnn/efak-missing-admin-gate-user-management-api (third-party-advisory)
- github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/we… (technical-description)
- github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/we… (technical-description)
- github.com/smartloli/EFAK (product)
- www.vulncheck.com/advisories/efak-5.0.0-through-5.1.0-missing-authorization-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111682?
- CVE-2026-111682 is a medium-severity vulnerability in Smartloli Efak, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-16.
- How severe is CVE-2026-111682?
- Medium severity. CVSS v3 base score is 6.5 out of 10.