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.
CVE-2026-21753
MEDIUMPre-NVD 4.24.2—Trending — 3 sources updated this week
EchelonGraph scoreHIGH confidence
Score 4.2 from GitHub Security Advisory published 2026-08-25. a secondary CVSS source baseline 4.2; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
4.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 4.2Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.2
- EG Score
- 4.2(high)
- EG Risk
- 19(Track)EG Risk 19/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity42% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
August 25, 2026
Last Modified
August 25, 2026
Advisory Details (1)
Auto-updated Aug 25, 2026No patch confirmed yet.
generic
Security Bulletin: Multiple security vulnerabilities affect HCL Hive - Customer Support
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133342Vendor Advisories for CVE-2026-21753(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 7× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-25 13:22 UTCEG score recompute
- 2026-08-25 13:22 UTCGHSA enrichment
- 2026-08-25 13:16 UTCEG score recompute
- 2026-08-25 13:16 UTCGHSA enrichment
- 2026-08-25 11:23 UTCEG score recompute
- 2026-08-25 11:07 UTCEG score recompute
- 2026-08-25 11:06 UTCMITRE cvelistV5first tracked
Frequently asked(4)
What is CVE-2026-21753?
CVE-2026-21753 is a medium vulnerability published on August 25, 2026. 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.
When was CVE-2026-21753 disclosed?
CVE-2026-21753 was first published in the National Vulnerability Database on August 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-21753?
CVE-2026-21753 has a CVSS v3 base score of 4.2 (NVD).
How do I remediate CVE-2026-21753?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21753, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-21753
Is Your Infrastructure Affected by CVE-2026-21753?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.