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Vulnerability record · CVE-2026-35149 · published 16 July 2026

CVE-2026-35149: Hcltech dfx server authentication bypass by capture-replay vulnerability

Hcltech · Dfx Server

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.

8.2 CVSS 3.1 High EPSS 0.42% · top 66.6% CWE-294 · Authentication bypass by capture-replay
8.2CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
21 Jul 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.2CVE-2026-35147Hcltech dfx server insecure direct object reference vulnerabilityHCL DFXServer is affected by a Broken Authentication vulnerability via direct API access. The application fails to verify the user's authentication s…EPSS 0.43%6.3CVE-2026-35146Hcltech dfx server inadequate encryption strength vulnerabilityHCL DFXServer is affected by an Unencrypted Communication vulnerability. The application permits users to establish connections over unencrypted chan…EPSS 0.19%6.3CVE-2026-35148Hcltech dfx server improper access control vulnerabilityHCL DFXServer is affected by a Missing Access Control vulnerability. This vulnerability states that certain endpoints are accessible without any form…EPSS 0.30%9.8CVE-2023-23397Microsoft Outlook improper input validation privilege escalationCVE-2023-23397 is a critical elevation of privilege flaw in Microsoft Outlook caused by improper input validation and an authentication bypass by cap…KEVEPSS 97%analysed

Source: NIST National Vulnerability Database (record CVE-2026-35149), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.