CVE-2026-34268

LOWNVD 2.92.9—
EchelonGraph scoreMEDIUM confidence

Score 2.9 from GitHub Security Advisory (severity: LOW) published 2026-04-21. NVD baseline CVSS 2.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
2.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 2.9Exploit: NoneExposed: 0

A fix is available — apply it.

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 2.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

CVSS v3
2.9
EG Score
2.9(medium)
EPSS
2.3%
KEV
Not listed

Published

April 21, 2026

Last Modified

April 27, 2026

References (1)

Vendor Advisories for CVE-2026-34268(20)

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

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuopenjdk-25-crac-testsupport (25.0.3+9-0ubuntu1~26.04.1) @ resolute2026-06-14ubuntu
ubuntuopenjdk-21-crac-testsupport (21.0.11+10-0ubuntu1~26.04.1) @ resolute2026-06-14ubuntu
ubuntuopenjdk-17-source (17.0.19+10-1~25.10.2) @ questing2026-06-14ubuntu
ubuntuopenjdk-26-testsupport (26.0.1+8-2~26.04.2) @ resolute2026-06-14ubuntu
ubuntuopenjdk-21-testsupport (21.0.11+10-1~26.04.2) @ resolute2026-06-14ubuntu
ubuntuopenjdk-25-testsupport (25.0.3+9-2~26.04.2) @ resolute2026-06-14ubuntu
ubuntuopenjdk-11-source (11.0.31+11-1ubuntu1~26.04.2) @ resolute2026-06-14ubuntu
ubuntuopenjdk-8-source (8u492-ga~us2-0ubuntu1~16.04.1) @ xenial2026-06-14ubuntu
redhatjava-21-ibm-semeru-certified-jdk-1:21.0.11.0.10-2.el10_12026-06-01redhat
redhatjava-1.8.0-ibm-1:1.8.0.8.65-1.el8_102026-06-01redhat
redhatjava-25-openjdk-windows2026-04-30redhat
redhatjava-25-openjdk-portable-main-25.0.3.0.9-1.hum12026-04-29redhat
redhatjava-21-openjdk-main-21.0.11.0.10-1.hum12026-04-29redhat
redhatjava-25-openjdk-main-25.0.3.0.9-1.hum12026-04-29redhat
redhatjava-21-openjdk-portable-main-21.0.11.0.10-2.hum12026-04-28redhat
redhatjava-21-openjdk-1:21.0.11.0.10-1.el92026-04-24redhat
redhatjava-17-openjdk-1:17.0.19.0.10-1.el92026-04-24redhat
redhatjava-1.8.0-openjdk-1:1.8.0.492.b09-1.el92026-04-24redhat
redhatjava-1.8.0-openjdk-portable2026-04-23redhat
redhatjava-21-openjdk-windows2026-04-23redhat
redhatjava-21-openjdk-portable2026-04-23redhat
redhatjava-17-openjdk-windows2026-04-23redhat
redhatjava-17-openjdk-portable2026-04-23redhat
redhatjava-25-openjdk-portable2026-04-23redhat
redhatjava-1.8.0-openjdk-windows2026-04-23redhat
redhatjava-25-openjdk-1:25.0.3.0.9-1.el92026-04-22redhat
redhatjava-11-openjdk-windows2026-04-22redhat
redhatjava-1.8.0-openjdk-1:1.8.0.492.b09-1.el7_92026-04-22redhat
redhatjava-11-openjdk-1:11.0.31.0.11-1.el92026-04-22redhat
redhatjava-11-openjdk-portable2026-04-22redhat

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.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 5× in last 7d / 33× 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.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-34268?
CVE-2026-34268 is a low vulnerability published on April 21, 2026. Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK:…
When was CVE-2026-34268 disclosed?
CVE-2026-34268 was first published in the National Vulnerability Database on April 21, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34268 actively exploited?
CVE-2026-34268 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-34268?
CVE-2026-34268 has a CVSS v3 base score of 2.9 (NVD).
How do I remediate CVE-2026-34268?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34268, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-34268

Explore →

Is Your Infrastructure Affected by CVE-2026-34268?

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

Start Free Scan →Browse All CVEs