CVE-2026-56453: hcl software dfxanalytics Authentication Bypass by Capture-replay

Vulnerability summary

CVE-2026-56453 is a critical (CVSS 9.8) Authentication Bypass by Capture-replay vulnerability in hcl software dfxanalytics. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.4% of scored vulnerabilities.

Timeline

1. 16-07-2026
   PublishedVulnerability first disclosed.
2. 16-07-2026
   Last modifiedVulnerability information updated.

Description

HCL DFXAnalytics is affected by an Account Takeover via Response Manipulation vulnerability. A remote attacker can intercept and alter the contents of the server's HTTP responses before they reach the client application, allowing them to manipulate the authentication or authorization logic to bypass controls and gain unauthorized access to targeted user accounts.

• CWE-294Authentication Bypass by Capture-replayA capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).