CVE-2026-15563

HIGHPre-NVD 7.47.4—
EchelonGraph scoreMEDIUM confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-08-11. A secondary CVSS source baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.4Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A flaw was found in EAP's IIOP. The listener's NameService would accept bind operations without authentication, allowing an attacker to hijack JNDI lookups and binding them to a malicious ORB, achieving MITM or DoS on further invocations.

CVSS v3
7.4
EG Score
7.4HIGHmedium confidence
EG Risk
33
EG Risk 33/100CISA 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
Severity74% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
30th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

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

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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 11, 2026

Last Modified

September 25, 2026

Advisory Details (2)

Auto-updated Aug 11, 2026
Patch available. Sources: redhat.
redhat

2483138 – (CVE-2026-15563) CVE-2026-15563 wildfly-iiop-openjdk: Missing authentication on EAP's IIOP NameService leads to MITM or DoS

https://bugzilla.redhat.com/show_bug.cgi?id=2483138
redhat Patch Available

CVE-2026-15563 - 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-2026-15563

Vendor Advisories for CVE-2026-15563(8)

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

Patch Availability(7)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhateap8-xml-security-0:3.0.6-1.redhat_00001.1.el10eap2026-09-22redhat
redhateap8-xml-security-0:3.0.6-1.redhat_00001.1.el9eap2026-09-22redhat
redhateap8-xml-security-0:3.0.6-1.redhat_00001.1.el8eap2026-09-22redhat
redhateap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el9eap2026-08-11redhat
redhateap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el7eap2026-08-11redhat
redhatorg.jboss.eap/wildfly-iiop-openjdk:7.4.25.GA-redhat-000012026-08-11redhat
redhateap7-wildfly-0:7.4.25-2.GA_redhat_00001.1.el8eap2026-08-11redhat

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 28× in last 7d / 150× 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 308 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-15563?
CVE-2026-15563 is a high vulnerability published on August 11, 2026. A flaw was found in EAP's IIOP. The listener's NameService would accept bind operations without authentication, allowing an attacker to hijack JNDI lookups and binding them to a malicious ORB, achieving MITM or DoS on further invocations.
When was CVE-2026-15563 disclosed?
CVE-2026-15563 was first published on August 11, 2026, with the most recent update on September 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15563 actively exploited?
CVE-2026-15563 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (30th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-15563?
CVE-2026-15563 has a CVSS base score of 7.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-15563?
A fix for CVE-2026-15563 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-15563 are linked in the Vendor Advisories panel on this page.

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