CVE-2026-35147 HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access.

High 8.2 Published 16 Jul 2026 Updated 16 Jul 2026

Unauthenticated attackers can bypass authentication on specific API endpoints to perform unauthorized actions and access data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-35147?

CVE-2026-35147 is a high-severity authentication bypass vulnerability in HCL Software DFXServer, published on 16 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-639

Which versions are affected by CVE-2026-35147?

It affects 1 product.

Products include Hcltech Dfx Server.

How do I fix CVE-2026-35147?

No fix has been published for CVE-2026-35147 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-35147 being exploited?

There is no known exploitation of CVE-2026-35147 in the wild and no public exploit code.

Sources

Also known as GHSA-36pf-7582-rqcr.