CVE-2026-15567

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-11. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

A flaw was found in Wildfly. A remote unauthenticated attacker can trigger OutOfMemoryError as CSIv2Util's GSS token decoder reads an attacker-controlled length field without bounds checking and attempts to allocate a byte array of that size.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

August 11, 2026

Last Modified

August 14, 2026

Advisory Details (2)

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

2491620 – (CVE-2026-15567) CVE-2026-15567 wildfly: wildfly-iiop: wildfly-jacorb: Wildfly: Pre-auth denial of service on the IIOP listener

https://bugzilla.redhat.com/show_bug.cgi?id=2491620
redhat Patch Available

CVE-2026-15567 - 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-2026-15567

Vendor Advisories for CVE-2026-15567(2)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatwildfly-iiop-openjdk2026-08-11redhat

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 46× in last 7d / 65× 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. 2026-08-21 07:07 UTCEG score recompute
  2. 2026-08-21 07:07 UTCVendor advisory
  3. 2026-08-21 07:07 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 20:03 UTCVendor advisory
  6. 2026-08-20 20:03 UTCGHSA enrichment
  7. 2026-08-20 09:00 UTCVendor advisory
  8. 2026-08-20 09:00 UTCGHSA enrichment
  9. 2026-08-19 21:57 UTCEG score recompute
  10. 2026-08-19 21:57 UTCVendor advisory
  11. 2026-08-19 21:57 UTCGHSA enrichment
  12. 2026-08-19 17:03 UTCEPSS rescore
  13. 2026-08-19 10:52 UTCVendor advisory
  14. 2026-08-19 10:52 UTCGHSA enrichment
  15. 2026-08-18 23:49 UTCEG score recompute
  16. 2026-08-18 23:49 UTCVendor advisory
  17. 2026-08-18 23:49 UTCGHSA enrichment
  18. 2026-08-18 13:48 UTCEPSS rescore
  19. 2026-08-18 12:45 UTCVendor advisory
  20. 2026-08-18 12:45 UTCGHSA enrichment
  21. 2026-08-18 01:18 UTCVendor advisory
  22. 2026-08-18 01:17 UTCGHSA enrichment
  23. 2026-08-17 14:07 UTCEG score recompute
  24. 2026-08-17 14:07 UTCVendor advisory
  25. 2026-08-17 14:07 UTCGHSA enrichment
Show 40 more
  1. 2026-08-17 13:47 UTCEPSS rescore
  2. 2026-08-17 03:04 UTCVendor advisory
  3. 2026-08-17 03:04 UTCGHSA enrichment
  4. 2026-08-16 16:00 UTCEG score recompute
  5. 2026-08-16 16:00 UTCVendor advisory
  6. 2026-08-16 16:00 UTCGHSA enrichment
  7. 2026-08-16 14:56 UTCEPSS rescore
  8. 2026-08-16 04:57 UTCEG score recompute
  9. 2026-08-16 04:57 UTCVendor advisory
  10. 2026-08-16 04:57 UTCGHSA enrichment
  11. 2026-08-16 02:14 UTCEPSS rescore
  12. 2026-08-15 17:54 UTCVendor advisory
  13. 2026-08-15 17:54 UTCGHSA enrichment
  14. 2026-08-15 06:51 UTCEG score recompute
  15. 2026-08-15 06:51 UTCVendor advisory
  16. 2026-08-15 06:51 UTCGHSA enrichment
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-14 19:19 UTCVendor advisory
  19. 2026-08-14 19:19 UTCGHSA enrichment
  20. 2026-08-14 12:48 UTCVendor advisory
  21. 2026-08-14 12:48 UTCGHSA enrichment
  22. 2026-08-14 01:45 UTCEG score recompute
  23. 2026-08-14 01:45 UTCVendor advisory
  24. 2026-08-14 01:45 UTCGHSA enrichment
  25. 2026-08-13 22:00 UTCEPSS rescore
  26. 2026-08-13 14:41 UTCVendor advisory
  27. 2026-08-13 14:41 UTCGHSA enrichment
  28. 2026-08-13 03:38 UTCGHSA enrichment
  29. 2026-08-12 16:35 UTCEG score recompute
  30. 2026-08-12 16:35 UTCGHSA enrichment
  31. 2026-08-12 15:24 UTCEG score recompute
  32. 2026-08-12 15:24 UTCGHSA enrichment
  33. 2026-08-12 13:50 UTCEPSS rescore
  34. 2026-08-12 07:32 UTCGHSA enrichment
  35. 2026-08-11 20:29 UTCEG score recompute
  36. 2026-08-11 20:29 UTCGHSA enrichment
  37. 2026-08-11 13:42 UTCEPSS rescore
  38. 2026-08-11 09:26 UTCEG score recompute
  39. 2026-08-11 09:13 UTCEG score recompute
  40. 2026-08-11 09:13 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-15567?
CVE-2026-15567 is a high vulnerability published on August 11, 2026. A flaw was found in Wildfly. A remote unauthenticated attacker can trigger OutOfMemoryError as CSIv2Util's GSS token decoder reads an attacker-controlled length field without bounds checking and attempts to allocate a byte array of that size.
When was CVE-2026-15567 disclosed?
CVE-2026-15567 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15567 actively exploited?
CVE-2026-15567 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 63.4% of all scored CVEs.
What is the CVSS score of CVE-2026-15567?
CVE-2026-15567 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-15567?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15567, 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-2026-15567

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