Authentication bypass by capture-replay in HCL Software DFXServer
Priority MEDIUM 42CWE-294Published · Updated
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-294.
Summary
HCL DFXServer is affected by an Authentication Bypass vulnerability via server response manipulation. An unauthorized user without valid credentials can exploit this flaw by intercepting and altering the server's authentication responses, allowing them to gain unauthorized access to the application without verification.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00416 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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-2026-35149
- 2026-10-03 Alias added: GHSA-8539-9p7j-q3gf
References
More HCL Software Dfx Server vulnerabilities
- TI-2026-27306 Authorization bypass 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-2026-35149 · CVE Program
- CVE-2026-35149 · NVD
- FIRST EPSS
- GHSA-8539-9p7j-q3gf · 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