CVE-2026-15563

HIGHCVSS 7.4/10EPSS 0.28%

Last modified

CVE-2026-15563 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.4/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.28%

20.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7All versions
Red HatRed Hat JBoss Enterprise Application Platform 8All versions
Red HatRed Hat JBoss Enterprise Application Platform Expansion PackAll versions

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-15563?
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.
How severe is CVE-2026-15563?
CVE-2026-15563 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2026-15563?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-15563?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST