CVE-2026-47027

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-07-22. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

A fix is available — apply it.

Vulnerability in Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE. 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

July 21, 2026

Last Modified

August 3, 2026

References (1)

Vendor Advisories for CVE-2026-47027(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-17-crac-source (17.0.20+8-0ubuntu1~26.04) @ resolute2026-09-11ubuntu
ubuntuopenjdk-25-crac-testsupport (25.0.4+7-0ubuntu1~26.04) @ resolute2026-09-11ubuntu
ubuntuopenjdk-26-testsupport (26.0.2+10-2~26.04.2) @ resolute2026-09-11ubuntu
ubuntuopenjdk-25-testsupport (25.0.4+7-1~24.04) @ noble2026-09-11ubuntu
ubuntuopenjdk-8-source (8u502-ga~us1-0ubuntu1~24.04) @ noble2026-09-11ubuntu
ubuntuopenjdk-17-source (17.0.20+8-1~18.04) @ bionic2026-09-11ubuntu
ubuntuopenjdk-11-source (11.0.32+9-1ubuntu1~26.04) @ resolute2026-09-11ubuntu
ubuntuopenjdk-21-crac-testsupport (21.0.12+8-0ubuntu1~26.04) @ resolute2026-09-11ubuntu
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
redhatjava-25-openjdk-main-25.0.4.0.7-1.1.1.hum12026-08-10redhat
redhatjava-21-openjdk-portable-main-21.0.12.0.8-0.1.hum12026-08-04redhat
redhatjava-21-openjdk-main-21.0.12.0.8-0.1.hum12026-08-04redhat
redhatjava-25-openjdk-windows2026-07-30redhat
redhatjava-25-openjdk-portable-main-25.0.4.0.7-2.0.2.hum12026-07-27redhat
redhatjava-17-openjdk-windows2026-07-23redhat
redhatjava-21-openjdk-windows2026-07-23redhat
redhatjava-25-openjdk-portable2026-07-23redhat
redhatjava-21-openjdk-portable2026-07-23redhat
redhatjava-17-openjdk-1:17.0.20.0.8-1.1.el92026-07-23redhat
redhatjava-1.8.0-openjdk-1:1.8.0.502.b07-1.1.el92026-07-23redhat
redhatjava-21-openjdk-1:21.0.12.0.8-1.1.el92026-07-23redhat
redhatjava-11-openjdk-1:11.0.32.0.9-1.el92026-07-23redhat
redhatjava-1.8.0-openjdk-portable2026-07-23redhat
redhatjava-1.8.0-openjdk-windows2026-07-23redhat
redhatjava-1.8.0-openjdk-1:1.8.0.502.b07-1.1.el7_92026-07-23redhat
redhatjava-11-openjdk-portable2026-07-23redhat
redhatjava-11-openjdk-windows2026-07-23redhat
redhatjava-17-openjdk-portable2026-07-23redhat
redhatjava-25-openjdk-1:25.0.4.0.7-1.1.el92026-07-23redhat

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

(8 across 4 ecosystems)
Debian:14(3)
PackageVulnerable rangeFixed inDependents
openjdk-2121.0.10+7-1 ... 21.0.9~8ea-1 (20 versions)21.0.12+8-1—
openjdk-2525+36-1 ... 25~36ea-1 (22 versions)25.0.4+7-1—
openjdk-2626+35-1 ... 26~9ea-1 (19 versions)26.0.2+10-1—
Debian:11(2)
PackageVulnerable rangeFixed inDependents
openjdk-1111.0.12+7-2 ... 11.0.32~8ea-1 (72 versions)11.0.32+9-2~deb11u1—
openjdk-1717+35-1 ... 17~35ea-1 (91 versions)17.0.20+8-1~deb11u1—
Debian:13(2)
PackageVulnerable rangeFixed inDependents
openjdk-2121.0.10+7-1 ... 21.0.9~8ea-1 (19 versions)21.0.12+8-1~deb13u1—
openjdk-2525+36-1 ... 25~36ea-1 (21 versions)25.0.4+7-1~deb13u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
openjdk-1717.0.10+7-1 ... 17.0.9~6ea-1 (72 versions)17.0.20+8-1~deb12u1—

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 21× in last 7d / 94× 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 173 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-47027?
CVE-2026-47027 is a medium vulnerability published on July 21, 2026. Vulnerability in Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability…
When was CVE-2026-47027 disclosed?
CVE-2026-47027 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on August 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47027 actively exploited?
CVE-2026-47027 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 78.7% of all scored CVEs.
What is the CVSS score of CVE-2026-47027?
CVE-2026-47027 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-47027?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47027, 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

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