CVE-2026-50010

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 81% 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
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrustManagers() and related paths wrap any user-supplied plain X509TrustManager in X509TrustManagerWrapper, which extends X509ExtendedTrustManager but implements the 3-arg checkServerTrusted(chain, authType, SSLEngine) by discarding the SSLEngine and calling the 2-arg delegate. Because the object now IS an X509ExtendedTrustManager, neither SunJSSE's internal AbstractTrustManagerWrapper nor Netty's own OpenSslX509TrustManagerWrapper will re-wrap it to add endpoint-identification. Consequently, even though Netty 4.2 sets endpointIdentificationAlgorithm="HTTPS" by default, a client built with SslContextBuilder.forClient().trustManager(somePlainX509TrustManager) performs no hostname verification at all. Versions 4.1.135.Final and 4.2.15.Final patch the issue.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
20.1%
KEV
Not listed

Published

June 12, 2026

Last Modified

July 21, 2026

Advisory Details (3)

Auto-updated Jun 12, 2026
Patch available. Sources: github_release, github.
github Patch Available

Wrapping plain trust manager silently disables hostname verification · Advisory · netty/netty · GitHub

https://github.com/netty/netty/security/advisories/GHSA-c653-97m9-rcg9
github_release Patch Available

netty-4.2.15.Final

Patch available: netty/netty netty-4.2.15.Final

https://github.com/netty/netty/releases/tag/netty-4.2.15.Final
github_release Patch Available

netty-4.1.135.Final

Patch available: netty/netty netty-4.1.135.Final

https://github.com/netty/netty/releases/tag/netty-4.1.135.Final

Vendor Advisories for CVE-2026-50010(8)

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

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatnetty-handler2026-07-09redhat
redhatoffline-knowledge-portal/rhokp-rhel9:17822393702026-06-23redhat

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.

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
io.netty:netty-handler4.0.0.Alpha1 ... 4.1.99.Final (228 versions)4.1.135.Final—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 79× 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 106 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 14:31 UTCEPSS rescore
  5. 2026-07-19 02:29 UTCEPSS rescore
  6. 2026-07-18 10:04 UTCEPSS rescore
  7. 2026-07-16 23:19 UTCVendor advisory
  8. 2026-07-16 17:03 UTCEPSS rescore
  9. 2026-07-16 05:17 UTCVendor advisory
  10. 2026-07-15 16:57 UTCEPSS rescore
  11. 2026-07-15 16:57 UTCEPSS rescore
  12. 2026-07-15 16:20 UTCVendor advisory
  13. 2026-07-15 03:28 UTCVendor advisory
  14. 2026-07-15 02:00 UTCEPSS rescore
  15. 2026-07-15 02:00 UTCEPSS rescore
  16. 2026-07-14 14:33 UTCVendor advisory
  17. 2026-07-14 01:37 UTCVendor advisory
  18. 2026-07-13 22:31 UTCEPSS rescore
  19. 2026-07-13 12:45 UTCVendor advisory
  20. 2026-07-13 06:13 UTCEPSS rescore
  21. 2026-07-13 06:13 UTCEPSS rescore
  22. 2026-07-12 22:23 UTCVendor advisory
  23. 2026-07-12 09:11 UTCVendor advisory
  24. 2026-07-12 05:46 UTCEPSS rescore
  25. 2026-07-11 20:19 UTCVendor advisory
Show 75 more
  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-11 07:23 UTCVendor advisory
  4. 2026-07-10 17:35 UTCVendor advisory
  5. 2026-07-10 03:29 UTCVendor advisory
  6. 2026-07-09 19:10 UTCEPSS rescore
  7. 2026-07-09 19:10 UTCEPSS rescore
  8. 2026-07-09 12:24 UTCVendor advisory
  9. 2026-07-08 23:27 UTCVendor advisory
  10. 2026-07-08 15:16 UTCEPSS rescore
  11. 2026-07-08 10:20 UTCVendor advisory
  12. 2026-07-07 21:26 UTCVendor advisory
  13. 2026-07-07 13:46 UTCEPSS rescore
  14. 2026-07-07 01:12 UTCVendor advisory
  15. 2026-07-06 16:27 UTCEPSS rescore
  16. 2026-07-06 02:23 UTCEPSS rescore
  17. 2026-07-06 01:59 UTCVendor advisory
  18. 2026-07-05 13:06 UTCVendor advisory
  19. 2026-07-05 02:30 UTCEPSS rescore
  20. 2026-07-04 23:50 UTCVendor advisory
  21. 2026-07-04 10:56 UTCVendor advisory
  22. 2026-07-04 06:31 UTCEPSS rescore
  23. 2026-07-03 14:35 UTCVendor advisory
  24. 2026-07-03 00:44 UTCVendor advisory
  25. 2026-07-02 11:50 UTCVendor advisory
  26. 2026-07-01 22:47 UTCVendor advisory
  27. 2026-07-01 15:07 UTCEPSS rescore
  28. 2026-07-01 09:53 UTCVendor advisory
  29. 2026-06-30 23:22 UTCEPSS rescore
  30. 2026-06-30 20:53 UTCVendor advisory
  31. 2026-06-30 08:00 UTCVendor advisory
  32. 2026-06-29 19:08 UTCVendor advisory
  33. 2026-06-29 14:06 UTCEPSS rescore
  34. 2026-06-29 14:06 UTCEPSS rescore
  35. 2026-06-29 06:16 UTCVendor advisory
  36. 2026-06-28 15:37 UTCVendor advisory
  37. 2026-06-28 14:07 UTCEPSS rescore
  38. 2026-06-28 04:56 UTCEPSS rescore
  39. 2026-06-28 04:56 UTCEPSS rescore
  40. 2026-06-28 02:45 UTCVendor advisory
  41. 2026-06-27 13:52 UTCVendor advisory
  42. 2026-06-27 03:08 UTCEPSS rescore
  43. 2026-06-27 00:59 UTCVendor advisory
  44. 2026-06-26 12:06 UTCVendor advisory
  45. 2026-06-25 18:26 UTCVendor advisory
  46. 2026-06-25 13:49 UTCEPSS rescore
  47. 2026-06-25 05:32 UTCVendor advisory
  48. 2026-06-24 16:39 UTCVendor advisory
  49. 2026-06-24 14:05 UTCEPSS rescore
  50. 2026-06-24 03:46 UTCVendor advisory
  51. 2026-06-23 21:33 UTCEPSS rescore
  52. 2026-06-23 21:33 UTCEPSS rescore
  53. 2026-06-23 14:52 UTCVendor advisory
  54. 2026-06-23 01:31 UTCVendor advisory
  55. 2026-06-22 14:25 UTCEPSS rescore
  56. 2026-06-22 14:25 UTCEPSS rescore
  57. 2026-06-22 12:39 UTCVendor advisory
  58. 2026-06-21 23:44 UTCVendor advisory
  59. 2026-06-21 14:56 UTCEPSS rescore
  60. 2026-06-21 14:56 UTCEPSS rescore
  61. 2026-06-21 09:53 UTCVendor advisory
  62. 2026-06-21 01:59 UTCEPSS rescore
  63. 2026-06-21 01:59 UTCEPSS rescore
  64. 2026-06-20 20:24 UTCVendor advisory
  65. 2026-06-20 07:08 UTCVendor advisory
  66. 2026-06-19 19:26 UTCEPSS rescore
  67. 2026-06-19 19:26 UTCEPSS rescore
  68. 2026-06-19 18:01 UTCVendor advisory
  69. 2026-06-19 05:07 UTCVendor advisory
  70. 2026-06-18 17:52 UTCEPSS rescore
  71. 2026-06-18 17:52 UTCEPSS rescore
  72. 2026-06-18 16:13 UTCVendor advisory
  73. 2026-06-17 17:53 UTCEPSS rescore
  74. 2026-06-16 17:53 UTCEPSS rescore
  75. 2026-06-15 17:49 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-50010?
CVE-2026-50010 is a high vulnerability published on June 12, 2026. Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrustManagers() and related paths wrap any user-supplied plain X509TrustManager in X509TrustManagerWrapper, which extends…
When was CVE-2026-50010 disclosed?
CVE-2026-50010 was first published in the National Vulnerability Database on June 12, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50010 actively exploited?
CVE-2026-50010 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-50010?
CVE-2026-50010 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-50010?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50010, 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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