CVE-2026-21752

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-24. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

HCL Hive is affected by a use of vulnerable third-party components which could allow an attacker unauthorized access or compromise of the system by exploiting publicly documented security flaws.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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 computed
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

August 24, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 24, 2026
No 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=KB0131731

Vendor Advisories for CVE-2026-21752(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 25× in last 7d / 98× 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.

  1. 2026-09-19 03:03 UTCEG score recompute
  2. 2026-09-19 03:03 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 14:25 UTCGHSA enrichment
  5. 2026-09-18 01:46 UTCEG score recompute
  6. 2026-09-18 01:46 UTCGHSA enrichment
  7. 2026-09-17 13:08 UTCGHSA enrichment
  8. 2026-09-16 23:53 UTCEG score recompute
  9. 2026-09-16 23:53 UTCGHSA enrichment
  10. 2026-09-16 14:07 UTCEPSS rescore
  11. 2026-09-16 11:15 UTCEG score recompute
  12. 2026-09-16 11:15 UTCGHSA enrichment
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-15 22:38 UTCGHSA enrichment
  15. 2026-09-15 09:59 UTCEG score recompute
  16. 2026-09-15 09:59 UTCGHSA enrichment
  17. 2026-09-14 21:21 UTCGHSA enrichment
  18. 2026-09-14 08:43 UTCGHSA enrichment
  19. 2026-09-13 20:06 UTCEG score recompute
  20. 2026-09-13 20:06 UTCGHSA enrichment
  21. 2026-09-13 16:47 UTCEPSS rescore
  22. 2026-09-13 07:28 UTCGHSA enrichment
  23. 2026-09-12 18:51 UTCEG score recompute
  24. 2026-09-12 18:51 UTCGHSA enrichment
  25. 2026-09-12 15:01 UTCEPSS rescore
Show 73 more
  1. 2026-09-12 06:13 UTCGHSA enrichment
  2. 2026-09-11 17:32 UTCEG score recompute
  3. 2026-09-11 17:32 UTCGHSA enrichment
  4. 2026-09-11 14:52 UTCEPSS rescore
  5. 2026-09-11 04:15 UTCGHSA enrichment
  6. 2026-09-10 15:37 UTCEG score recompute
  7. 2026-09-10 15:37 UTCGHSA enrichment
  8. 2026-09-10 09:34 UTCEPSS rescore
  9. 2026-09-10 02:51 UTCGHSA enrichment
  10. 2026-09-09 14:11 UTCGHSA enrichment
  11. 2026-09-09 01:31 UTCEG score recompute
  12. 2026-09-09 01:31 UTCGHSA enrichment
  13. 2026-09-08 22:00 UTCEPSS rescore
  14. 2026-09-08 05:45 UTCGHSA enrichment
  15. 2026-09-07 17:07 UTCGHSA enrichment
  16. 2026-09-07 04:30 UTCGHSA enrichment
  17. 2026-09-06 15:51 UTCEG score recompute
  18. 2026-09-06 15:51 UTCGHSA enrichment
  19. 2026-09-06 13:47 UTCEPSS rescore
  20. 2026-09-06 13:47 UTCEPSS rescore
  21. 2026-09-06 03:13 UTCEG score recompute
  22. 2026-09-06 03:13 UTCGHSA enrichment
  23. 2026-09-05 14:35 UTCGHSA enrichment
  24. 2026-09-05 01:58 UTCEG score recompute
  25. 2026-09-05 01:58 UTCGHSA enrichment
  26. 2026-09-04 13:20 UTCEG score recompute
  27. 2026-09-04 13:20 UTCGHSA enrichment
  28. 2026-09-04 05:06 UTCEPSS rescore
  29. 2026-09-04 00:40 UTCGHSA enrichment
  30. 2026-09-03 12:03 UTCGHSA enrichment
  31. 2026-09-02 22:54 UTCEG score recompute
  32. 2026-09-02 22:54 UTCGHSA enrichment
  33. 2026-09-02 14:11 UTCEPSS rescore
  34. 2026-09-02 10:12 UTCGHSA enrichment
  35. 2026-09-01 21:34 UTCEG score recompute
  36. 2026-09-01 21:34 UTCGHSA enrichment
  37. 2026-09-01 13:53 UTCEPSS rescore
  38. 2026-09-01 08:56 UTCEG score recompute
  39. 2026-09-01 08:56 UTCGHSA enrichment
  40. 2026-09-01 04:39 UTCEPSS rescore
  41. 2026-08-31 20:09 UTCGHSA enrichment
  42. 2026-08-31 07:28 UTCEG score recompute
  43. 2026-08-31 07:28 UTCGHSA enrichment
  44. 2026-08-30 19:17 UTCEPSS rescore
  45. 2026-08-30 18:51 UTCGHSA enrichment
  46. 2026-08-30 06:13 UTCEG score recompute
  47. 2026-08-30 06:13 UTCGHSA enrichment
  48. 2026-08-30 01:22 UTCEPSS rescore
  49. 2026-08-29 17:36 UTCGHSA enrichment
  50. 2026-08-29 04:32 UTCEG score recompute
  51. 2026-08-29 04:32 UTCGHSA enrichment
  52. 2026-08-28 21:41 UTCEPSS rescore
  53. 2026-08-28 15:53 UTCGHSA enrichment
  54. 2026-08-28 13:54 UTCGHSA enrichment
  55. 2026-08-28 01:16 UTCEG score recompute
  56. 2026-08-28 01:16 UTCGHSA enrichment
  57. 2026-08-27 14:25 UTCEPSS rescore
  58. 2026-08-27 12:36 UTCGHSA enrichment
  59. 2026-08-26 23:59 UTCEG score recompute
  60. 2026-08-26 23:59 UTCGHSA enrichment
  61. 2026-08-26 14:46 UTCEPSS rescore
  62. 2026-08-26 11:21 UTCGHSA enrichment
  63. 2026-08-25 22:41 UTCEG score recompute
  64. 2026-08-25 22:41 UTCGHSA enrichment
  65. 2026-08-25 13:48 UTCEPSS rescore
  66. 2026-08-25 10:04 UTCGHSA enrichment
  67. 2026-08-24 21:26 UTCEG score recompute
  68. 2026-08-24 21:26 UTCGHSA enrichment
  69. 2026-08-24 20:36 UTCEG score recompute
  70. 2026-08-24 20:36 UTCGHSA enrichment
  71. 2026-08-24 16:25 UTCEG score recompute
  72. 2026-08-24 15:32 UTCEG score recompute
  73. 2026-08-24 15:32 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-21752?
CVE-2026-21752 is a high vulnerability published on August 24, 2026. HCL Hive is affected by a use of vulnerable third-party components which could allow an attacker unauthorized access or compromise of the system by exploiting publicly documented security flaws.
When was CVE-2026-21752 disclosed?
CVE-2026-21752 was first published in the National Vulnerability Database on August 24, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21752 actively exploited?
CVE-2026-21752 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 81.3% of all scored CVEs.
What is the CVSS score of CVE-2026-21752?
CVE-2026-21752 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-21752?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21752, 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

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