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: 0.3%CVSS: 6.4Exploit: None knownExposed services: Not assessed

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
6.4MEDIUMmedium confidence
EG Risk
29
EG Risk 29/100CISA SSVC

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%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.3%
EPSS %ILE
23rd
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

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 / EcosystemFix (by version range) / PatchReleasedSource
redhatrhacm2/multicluster-operators-channel-rhel9:17872420992026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17872606632026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17872593102026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17871728402026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17872386002026-08-26redhat
redhatrhacm2/multicluster-operators-channel-rhel9:17872421052026-08-26redhat

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 17× in last 7d / 88× 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 182 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

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 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 0.3% probability of exploitation in the next 30 days (23rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-64927?
CVE-2026-64927 has a CVSS base score of 6.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-64927?
A fix for CVE-2026-64927 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-64927 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-64927

Explore →

Is Your Infrastructure Affected by CVE-2026-64927?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs