Auth bypass in Hcl Software Dfxserver
CVE-2026-35147
HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access. The application fails to verify the user's authentication status when accessing specific API endpoints, allowing an unauthenticated attacker to interact with the APIs and perform unauthorized actions without valid credentials.
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.004 (35.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
Affected products
- Hcl Software Dfxserver — versions version 2.5 and below
- Hcltech Dfx_server
Weakness classification (CWE)
References
- psirt@hcl.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-35147?
- CVE-2026-35147 is a high-severity vulnerability in Hcl Software Dfxserver, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.2/10. Published 2026-07-16.
- How severe is CVE-2026-35147?
- High severity. CVSS v3 base score is 8.2 out of 10.