Vulnerability in Red Hat Fuse 7
CVE-2026-15567
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2026-15567 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
- access.redhat.com/errata/RHSA-2026:53806 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:53644 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:53645 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:53646 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:70228 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:70229 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:70230 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:70277 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-15567?
- CVE-2026-15567 is a high-severity vulnerability in Red Hat Fuse 7, classified under CWE-789. CVSS score: 7.5/10. Published 2026-08-11.
- How severe is CVE-2026-15567?
- High severity. CVSS v3 base score is 7.5 out of 10.