CVE-2026-56571Network attack vector

Unauthenticated information disclosure through error messages

Published Jul 31, 2026 · Updated Jul 31, 2026

Improper error handling in HCL iControl 4.3.0 and 4.4.0 allows remote attackers to read limited sensitive data through error messages. HCL has not published the affected component or the operation that exposes data when memory, pointer, system-call, database, or network errors occur. The issue is reachable without authentication over a network, requires high-complexity conditions, and has no reported integrity or service-interruption impact.

CVSS severity3.7
Low
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper error handling in HCL iControl 4.3.0 and 4.4.0 allows remote attackers to read limited sensitive data through error messages. HCL has not published the affected component or the operation that exposes data when memory, pointer, system-call, database, or network errors occur. The issue is reachable without authentication over a network, requires high-complexity conditions, and has no reported integrity or service-interruption impact.

The record

CVE
CVE-2026-56571
Published
Jul 31, 2026
Updated
Jul 31, 2026
Vendor
HCL Software
Product
HCL iControl
Classifications
CWE-209
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 31, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 31, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.3.0 and 4.4.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

HCL Software · HCL iControlversion=4.3.0 and 4.4.0

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.7HCL SoftwareCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-209Generation of Error Message Containing Sensitive Information

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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