CVE-2026-21756

HCL Hive is affected by a broken access control vulnerability

Published Aug 24, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Description
HCL Hive is affected by a broken access control vulnerability which could allow an attacker or unauthorized user to introduce unverified, malicious, or broken code directly into production environments.

Analysis

AI-generated

Technical impact

The vulnerability allows an unauthenticated or low‑privileged user to inject unverified or malicious code directly into a production HCL Hive environment. The impact is the potential loss of confidentiality, integrity, or availability of the data and services running on the affected system, as the attacker can alter or compromise application functionality.

Affected Systems

The affected product is HCL Hive, a data processing and analytics platform from HCL Software. No specific versions are listed in the CNA data, so all installations of HCL Hive are considered potentially vulnerable until a patch is applied.

Risk and Exploitability

The CVSS score of 7.2 indicates a high severity vulnerability. The EPSS score is not available, so exploitation probability cannot be quantified, but the vulnerability is listed as not part of the CISA KEV catalog. The likely attack vector is remote, requiring access to the HCL Hive web interface or management console, and the attacker must discover the broken access control to inject code. If exploited, the attacker could gain elevated privileges or execute arbitrary code within the Hive environment.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the vendor‑supplied fix or upgrade to the latest HCL Hive version following the instructions in the official support article (KB0131731).
  • Limit who can access the Hive configuration or management interfaces and verify that broken access control controls are enforced.
  • Run a comprehensive vulnerability scan to confirm that no remaining access control weaknesses or exposed code injection points exist.

Generated by OpenCVE AI on August 24, 2026 at 17:20 UTC.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Hcltech
Hcltech hive
Vendors & Products Hcltech
Hcltech hive
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description HCL Hive is affected by a broken access control vulnerability which could allow an attacker or unauthorized user to introduce unverified, malicious, or broken code directly into production environments.
Title HCL Hive is affected by a broken access control vulnerability
Weaknesses CWE-266
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses
  • CWE-266

    Incorrect Privilege Assignment

Sources

Status
PUBLISHED
Assigner
HCL
Published
Updated
Aug 24, 2026, 1:01 PM
Reserved
Jan 5, 2026, 4:07 PM
Status
Deferred
Published
Aug 24, 2026, 1:17 PM
Modified
Oct 12, 2026, 3:10 PM