CVE-2026-41566

CRITICALPre-NVD 9.49.4—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 79% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
9.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.4Exploit: NoneExposed: 0

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

Improper Handling of Insufficient Permissions or Privileges vulnerability in Apache Kvrocks.

This issue affects Apache Kvrocks: 2.8.0.

Users are recommended to upgrade to version 2.16.0, which fixes the issue.

CVSS v3
9.4
EG Score
9.4(medium)
EG Risk
—
EPSS
21.5%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 25, 2026

Advisory Details (2)

Auto-updated Jun 26, 2026
No patch confirmed yet.
generic

oss-security - CVE-2026-41566: Apache Kvrocks: Improper permission for the APPLYBATCH command

http://www.openwall.com/lists/oss-security/2026/06/25/1
generic
https://lists.apache.org/thread/zng5lp7psgkcv9jnm9tztdlm3rmzfydl

Vendor Advisories for CVE-2026-41566(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 13× in last 7d / 156× 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.

Showing the most recent 100 of 156 total refreshes for this CVE.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-20 17:08 UTCEPSS rescore
  3. 2026-07-19 14:31 UTCEPSS rescore
  4. 2026-07-19 02:29 UTCEPSS rescore
  5. 2026-07-18 10:04 UTCEPSS rescore
  6. 2026-07-17 04:13 UTCGHSA enrichment
  7. 2026-07-17 00:10 UTCGHSA enrichment
  8. 2026-07-16 20:08 UTCGHSA enrichment
  9. 2026-07-16 17:03 UTCEPSS rescore
  10. 2026-07-16 15:08 UTCGHSA enrichment
  11. 2026-07-16 11:05 UTCGHSA enrichment
  12. 2026-07-16 06:59 UTCGHSA enrichment
  13. 2026-07-16 02:56 UTCGHSA enrichment
  14. 2026-07-15 22:53 UTCGHSA enrichment
  15. 2026-07-15 18:50 UTCGHSA enrichment
  16. 2026-07-15 16:57 UTCEPSS rescore
  17. 2026-07-15 16:57 UTCEPSS rescore
  18. 2026-07-15 14:23 UTCGHSA enrichment
  19. 2026-07-15 10:18 UTCGHSA enrichment
  20. 2026-07-15 06:09 UTCGHSA enrichment
  21. 2026-07-15 02:00 UTCEPSS rescore
  22. 2026-07-15 00:50 UTCGHSA enrichment
  23. 2026-07-14 20:27 UTCGHSA enrichment
  24. 2026-07-14 16:24 UTCGHSA enrichment
  25. 2026-07-14 12:21 UTCGHSA enrichment
Show 75 more
  1. 2026-07-14 08:18 UTCGHSA enrichment
  2. 2026-07-14 03:43 UTCGHSA enrichment
  3. 2026-07-13 23:40 UTCGHSA enrichment
  4. 2026-07-13 22:30 UTCEPSS rescore
  5. 2026-07-13 19:37 UTCGHSA enrichment
  6. 2026-07-13 15:28 UTCGHSA enrichment
  7. 2026-07-13 11:25 UTCGHSA enrichment
  8. 2026-07-13 07:22 UTCGHSA enrichment
  9. 2026-07-13 06:13 UTCEPSS rescore
  10. 2026-07-13 06:13 UTCEPSS rescore
  11. 2026-07-13 03:16 UTCGHSA enrichment
  12. 2026-07-12 23:07 UTCGHSA enrichment
  13. 2026-07-12 19:04 UTCGHSA enrichment
  14. 2026-07-12 15:00 UTCGHSA enrichment
  15. 2026-07-12 10:57 UTCGHSA enrichment
  16. 2026-07-12 06:54 UTCGHSA enrichment
  17. 2026-07-12 05:46 UTCEPSS rescore
  18. 2026-07-12 02:51 UTCGHSA enrichment
  19. 2026-07-11 22:48 UTCGHSA enrichment
  20. 2026-07-11 18:45 UTCGHSA enrichment
  21. 2026-07-11 14:42 UTCGHSA enrichment
  22. 2026-07-11 10:39 UTCGHSA enrichment
  23. 2026-07-11 08:27 UTCEPSS rescore
  24. 2026-07-11 06:36 UTCGHSA enrichment
  25. 2026-07-11 02:32 UTCGHSA enrichment
  26. 2026-07-10 22:29 UTCGHSA enrichment
  27. 2026-07-10 18:12 UTCGHSA enrichment
  28. 2026-07-10 14:03 UTCGHSA enrichment
  29. 2026-07-10 09:59 UTCGHSA enrichment
  30. 2026-07-10 05:57 UTCGHSA enrichment
  31. 2026-07-10 01:53 UTCGHSA enrichment
  32. 2026-07-09 21:50 UTCGHSA enrichment
  33. 2026-07-09 19:10 UTCEPSS rescore
  34. 2026-07-09 17:47 UTCGHSA enrichment
  35. 2026-07-09 13:39 UTCGHSA enrichment
  36. 2026-07-09 09:35 UTCGHSA enrichment
  37. 2026-07-09 05:32 UTCGHSA enrichment
  38. 2026-07-09 01:29 UTCGHSA enrichment
  39. 2026-07-08 21:18 UTCGHSA enrichment
  40. 2026-07-08 17:07 UTCGHSA enrichment
  41. 2026-07-08 15:15 UTCEPSS rescore
  42. 2026-07-08 13:03 UTCGHSA enrichment
  43. 2026-07-08 08:59 UTCGHSA enrichment
  44. 2026-07-08 04:56 UTCGHSA enrichment
  45. 2026-07-08 00:52 UTCGHSA enrichment
  46. 2026-07-07 20:49 UTCGHSA enrichment
  47. 2026-07-07 16:46 UTCGHSA enrichment
  48. 2026-07-07 13:46 UTCEPSS rescore
  49. 2026-07-07 10:58 UTCGHSA enrichment
  50. 2026-07-07 06:28 UTCGHSA enrichment
  51. 2026-07-07 02:25 UTCGHSA enrichment
  52. 2026-07-06 22:20 UTCGHSA enrichment
  53. 2026-07-06 18:17 UTCGHSA enrichment
  54. 2026-07-06 16:27 UTCEPSS rescore
  55. 2026-07-06 16:27 UTCEPSS rescore
  56. 2026-07-06 13:53 UTCGHSA enrichment
  57. 2026-07-06 09:50 UTCGHSA enrichment
  58. 2026-07-06 05:43 UTCGHSA enrichment
  59. 2026-07-06 02:23 UTCEPSS rescore
  60. 2026-07-06 02:23 UTCEPSS rescore
  61. 2026-07-06 01:39 UTCGHSA enrichment
  62. 2026-07-05 21:36 UTCGHSA enrichment
  63. 2026-07-05 17:33 UTCGHSA enrichment
  64. 2026-07-05 13:29 UTCGHSA enrichment
  65. 2026-07-05 09:26 UTCGHSA enrichment
  66. 2026-07-05 05:22 UTCGHSA enrichment
  67. 2026-07-05 02:30 UTCEPSS rescore
  68. 2026-07-05 01:19 UTCGHSA enrichment
  69. 2026-07-04 21:15 UTCGHSA enrichment
  70. 2026-07-04 17:11 UTCGHSA enrichment
  71. 2026-07-04 13:07 UTCGHSA enrichment
  72. 2026-07-04 09:04 UTCGHSA enrichment
  73. 2026-07-04 06:31 UTCEPSS rescore
  74. 2026-07-04 05:01 UTCGHSA enrichment
  75. 2026-07-04 00:57 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-41566?
CVE-2026-41566 is a critical vulnerability published on June 25, 2026. Improper Handling of Insufficient Permissions or Privileges vulnerability in Apache Kvrocks. This issue affects Apache Kvrocks: 2.8.0. Users are recommended to upgrade to version 2.16.0, which fixes the issue.
When was CVE-2026-41566 disclosed?
CVE-2026-41566 was first published in the National Vulnerability Database on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41566 actively exploited?
CVE-2026-41566 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-41566?
CVE-2026-41566 has a CVSS v3 base score of 9.4 (NVD).
How do I remediate CVE-2026-41566?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41566, 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.

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