CVE-2026-35147: dfx server — Fix

Description

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.

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CVSS v3.1 Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS — Exploit Prediction

0.0026

Probability of exploitation

0.18%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
hcltech	dfx_server	< 2.5

References

Advisories & Patches

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131782

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2026-35147? +

CVE-2026-35147 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0026, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-35147? +

CVE-2026-35147 affects products from hcltech, specifically: dfx_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-35147? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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