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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (35.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Hcl Software Dfxserver — versions version 2.5 and below
- Hcltech Dfx Server
Weakness classification (CWE)
References
- support.hcl-software.com/csm (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.