SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-35149

HCL DFXServer is affected by an Authentication Bypass vulnerability via server response manipulation.

HIGH 8.2EPSS 0.42%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS
0.42% probability · 35th percentile
CISA KEV
Not listed
Weakness
CWE-294
Affected
hcltech/dfx server
Source
psirt@hcl.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.