CVE-2026-64927

MEDIUMPre-NVD 6.46.4—
EchelonGraph scoreMEDIUM confidence

Score 6.4 from GitHub Security Advisory published 2026-08-12. a secondary CVSS source baseline 6.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
6.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.4Exploit: None knownExposed: 0

A fix is available — apply it.

A flaw was found in the multicloud-operators-channel component. This vulnerability allows a user with specific permissions to manipulate how the system handles sensitive information, known as Secrets, across different parts of the system (namespaces). By exploiting this, an attacker can modify these Secrets in unauthorized areas. This could lead to unauthorized access to information or elevated privileges within the system.

CVSS v3
6.4
EG Score
6.4(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity64% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

August 12, 2026

Last Modified

September 5, 2026

Advisory Details (2)

Auto-updated Aug 12, 2026
Patch available. Sources: redhat.
redhat

Bug Access Denied

https://bugzilla.redhat.com/show_bug.cgi?id=2514229
redhat Patch Available

CVE-2026-64927 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

https://access.redhat.com/security/cve/CVE-2026-64927

Vendor Advisories for CVE-2026-64927(7)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(6)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrhacm2/multicluster-operators-channel-rhel9:17872606632026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17871728402026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17872421052026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17872420992026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17872593102026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17872386002026-08-26redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 24× in last 7d / 110× 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 137 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-64927?
CVE-2026-64927 is a medium vulnerability published on August 12, 2026. A flaw was found in the multicloud-operators-channel component. This vulnerability allows a user with specific permissions to manipulate how the system handles sensitive information, known as Secrets, across different parts of the system (namespaces). By exploiting this, an attacker can modify…
When was CVE-2026-64927 disclosed?
CVE-2026-64927 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on September 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64927 actively exploited?
CVE-2026-64927 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 91.2% of all scored CVEs.
What is the CVSS score of CVE-2026-64927?
CVE-2026-64927 has a CVSS v3 base score of 6.4 (NVD).
How do I remediate CVE-2026-64927?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64927, 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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