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  4. CVE 2026 21807 hcl bigfix quantum risk analyzer is affected by a
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Back to active CVEs
Low · CVSS 3.9CVE-2026-21807

HCL BigFix Quantum Risk Analyzer is affected by a stack-based buffer overflowCVE-2026-21807

Answer in brief

CVE-2026-21807 records a Low severity (CVSS 3.9) vulnerability in HCL BigFix Quantum Risk Analyzer is affected by a stack-based buffer overflow. The current sources do not mark it as known exploited. The current feed maps HCLSoftware/BigFix Quantum Risk Analyzer (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 26, 2026Updated Aug 28, 2026Source checked Oct 11, 2026First seen by HOL Aug 26, 2026Material review Aug 28, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 3.9
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 3.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps HCLSoftware/BigFix Quantum Risk Analyzer (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
HCLSoftware/BigFix Quantum Risk Analyzergeneric2.0.1.47Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for HCLSoftware/BigFix Quantum Risk Analyzer.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 26, 2026

Sources and claim methodology

  • Source referencesupport.hcl-software.com
Upstream source description

HCL BigFix Quantum Risk Analyzer binary lacks several critical, industry-standard hardening protections that could allow an attacker to cause a stack-based buffer overflow.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • JeecgBoot through 3.9.5 Missing Authorization via /sys/api/queryUserRolesByIdSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via /sys/api/getUserPermissionSetSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via /sys/api/getRolesByUserIdSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via /sys/api/updateAvatarSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via GET /openapi/listSame generic ecosystem
  • JeecgBoot through 3.9.5 Missing Authorization via /sys/oss/file/queryByIdSame generic ecosystem

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-121
Source
CVE List V5
Source checked
Oct 11, 2026
References
1 linked source
Open source record