CVE-2026-16441

CRITICALNVD 9.69.6—
EchelonGraph scoreMEDIUM confidence

Score 9.6 from GitHub Security Advisory published 2026-07-21. NVD baseline CVSS 9.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
9.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.6Exploit: None knownExposed: 0

A fix is available — apply it.

In Eclipse OpenJ9 versions up to 0.60, when executing class files where a previously concrete superclass method has been recompiled as abstract, execution is incorrectly delegated to an interface default method.

CVSS v3
9.6
EG Score
9.6(medium)
EG Risk
43(Track)
EG Risk 43/100SSVC: 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
Severity96% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

July 21, 2026

Last Modified

August 18, 2026

Advisory Details (2)

Auto-updated Sep 5, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic

Eclipse Projects Security / cve-assignment · GitLab

https://gitlab.eclipse.org/security/cve-assignment/-/work_items/194
github_pr

(0.60) Fix invokeinterface IllegalAccessError handling

Fix merged in eclipse-openj9/openj9 PR #24396 on 2026-07-21 — awaiting tagged release

https://github.com/eclipse-openj9/openj9/pull/24396

Vendor Advisories for CVE-2026-16441(3)

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
redhatjava-21-ibm-semeru-certified-jdk-1:21.0.12.0.8-1.el10_02026-08-10redhat
redhatjava-1.8.0-ibm-1:1.8.0.8.70-1.el8_102026-08-10redhat

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 35× in last 7d / 200× 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 264 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-16441?
CVE-2026-16441 is a critical vulnerability published on July 21, 2026. In Eclipse OpenJ9 versions up to 0.60, when executing class files where a previously concrete superclass method has been recompiled as abstract, execution is incorrectly delegated to an interface default method.
When was CVE-2026-16441 disclosed?
CVE-2026-16441 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16441 actively exploited?
CVE-2026-16441 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 79.7% of all scored CVEs.
What is the CVSS score of CVE-2026-16441?
CVE-2026-16441 has a CVSS v3 base score of 9.6 (NVD).
How do I remediate CVE-2026-16441?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16441, 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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