Authorization bypass in HCL Software DFXServer
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HCL Software | DFXServer | up to 2.5 | — | No fix listed | CNA |
- DFXServer VendorHCL Software Affected up to 2.5 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hcltech:dfx_server:*:*:*:*:*:*:*:* | up to 2.5 | Vulnerable | HCL Software |
- cpe:2.3:a:hcltech:dfx_server:*:*:*:*:*:*:*:* Versions up to 2.5 Vulnerable ·HCL Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-35147
- 2026-10-03 Alias added: GHSA-36pf-7582-rqcr
References
More HCL Software Dfx Server vulnerabilities
- TI-2026-27308 Authentication bypass by capture-replay in HCL Software DFXServer CVSS 3.1HIGH 8.2
- TI-2026-27307 Improper access control in HCL Software DFXServer CVSS 3.1MEDIUM 6.3
- TI-2026-27305 HCL DFXServer is affected by an Unencrypted Communication vulnerability. CVSS 3.1MEDIUM 6.3
Sources
- CVE-2026-35147 · CVE Program
- CVE-2026-35147 · NVD
- FIRST EPSS
- GHSA-36pf-7582-rqcr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences