PatchSiren cyber security CVE debrief
CVE-2026-21753 HCL Software CVE debrief
HCL Hive's weak software supply chain governance could lead to the inclusion of vulnerable, unmaintained, or malicious third-party dependencies within the application environment. This vulnerability affects defenders responsible for HCL Hive environments, security teams, and developers, who should assess exposure and prioritize verification of third-party dependencies. The CVE record and NVD entry provide details on the vulnerability, but additional information on affected versions and remediation is required.
- Vendor
- HCL Software
- Product
- Hive
- CVSS
- MEDIUM 4.2
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-25
- Original CVE updated
- 2026-09-28
- Advisory published
- 2026-08-25
- Advisory updated
- 2026-09-28
Who should care
Defenders responsible for HCL Hive environments, security teams, and developers should assess exposure and prioritize verification of third-party dependencies.
Why it matters
Defenders should assess exposure and prioritize verification of third-party dependencies in HCL Hive environments to prevent potential security risks.
- Verification of third-party dependencies in HCL Hive environments is required to prevent potential security risks
- Assessing exposure of HCL Hive environments to vulnerable dependencies is necessary to prioritize remediation efforts
Technical summary
HCL Hive is affected by weak software supply chain governance, which could lead to the inclusion of vulnerable, unmaintained, or malicious third-party dependencies within the application environment. This vulnerability affects defenders responsible for HCL Hive environments, security teams, and developers, who should assess exposure and prioritize verification of third-party dependencies.
Defensive priority
Defenders should assess exposure and prioritize verification of third-party dependencies in HCL Hive environments.
Recommended defensive actions
- Assess exposure of HCL Hive environments to vulnerable third-party dependencies
- Verify third-party dependencies in HCL Hive environments
- Prioritize remediation of vulnerable dependencies
Evidence notes
The CVE record and NVD entry provide details on the vulnerability. However, additional information on affected versions, remediation, and potential security risks is required. Defenders should verify third-party dependencies in HCL Hive environments to prevent potential security risks. The current information available does not provide explicit evidence of the vulnerability's impact, and further verification is necessary.
Sources and references
Verified primary and authoritative sources
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CVE-2026-21753 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-21753
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-21753 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-21753
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.