CVE-2026-56454: HCL DFXAnalytics is affected by a Deprecated Protocol vulnerability due to the use of TLS 1.0 and TLS 1.1

Q: How do I fix CVE-2026-56454?

dfxanalytics: upgrade to newer than 3.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-56454 being exploited?

CVE-2026-56454 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-56454 affect?

CVE-2026-56454 affects dfxanalytics. Severity is medium (CVSS 5.9). HCL DFXAnalytics is affected by a Deprecated Protocol vulnerability due to the use of TLS 1.0 and TLS 1.1. These legacy protocols contain numerous cryptographic design flaws that expose data to interception and decryption. To remediate this

Q: How urgent is CVE-2026-56454?

Priority 29/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.9REMOTEUPGRADE

CVE-2026-56454 is a medium-severity flaw (CVSS 5.9) affecting dfxanalytics. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HCL DFXAnalytics is affected by a Deprecated Protocol vulnerability due to the use of TLS 1.0 and TLS 1.1. These legacy protocols contain numerous cryptographic design flaws that expose data to interception and decryption. To remediate this risk, the application must disable all support for TLS 1.0 and TLS 1.1, and exclusively enable support for secure protocols, specifically TLS 1.2 and TLS 1.3.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-327
Published	2026-07-16
Last modified	2026-10-24

Publisher (CNA): HCL Software · Vendor: hcltech

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-16 14:16 UTCPublished CVE record published
2026-10-24 21:10 UTCUpdated Record last modified

hcltech dfxanalytics UPGRADE

Affected: <= 3.0

Fixed in: newer than 3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dfxanalytics || rpm -q dfxanalytics || dfxanalytics --version

2. UPGRADE to newer than 3.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dfxanalytics

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dfxanalytics

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-56454?

dfxanalytics: upgrade to newer than 3.0. Exact commands for each OS are on this page.

Is CVE-2026-56454 being exploited?

CVE-2026-56454 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-56454 affect?

CVE-2026-56454 affects dfxanalytics. Severity is medium (CVSS 5.9). HCL DFXAnalytics is affected by a Deprecated Protocol vulnerability due to the use of TLS 1.0 and TLS 1.1. These legacy protocols contain numerous cryptographic design flaws that expose data to interception and decryption. To remediate this

How urgent is CVE-2026-56454?

Priority 29/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-56455 MEDIUM 5.3 UPGRADE HCL DFXAnalytics is affected by a Buffer Overflow vulnerability that can lead to a Denial of Service (DoS)
CVE-2026-56456 MEDIUM 5.3 UPGRADE HCL DFXAnalytics is affected by an Internal File Path Disclosure vulnerability
CVE-2026-56453 MEDIUM 5.5 UPGRADE HCL DFXAnalytics is affected by an Account Takeover via Response Manipulation vulnerability
CVE-2026-35145 LOW 3.1 UPGRADE HCL DFXAnalytics is affected by a Missing HTTP Strict-Transport-Security Header vulnerability
CVE-2026-35140 LOW 3.0 UPGRADE HCL DFXAnalytics is affected by a Missing Secure Attribute in Encrypted Session (SSL) Cookie vulnerability

References

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