Unauthenticated IIOP NameService Binding Enables JNDI Hijacking

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.

Casky was already ahead

This CVE exploits attack patterns that Casky's 283matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

CVE-2026-15563 exposes a critical authentication bypass in EAP's IIOP (Internet Inter-ORB Protocol) NameService implementation. The vulnerability allows attackers to perform bind operations without credentials, enabling them to redirect JNDI (Java Naming and Directory Interface) lookups to malicious Object Request Brokers (ORBs). This affects organizations running vulnerable EAP versions, particularly those relying on JNDI for distributed application lookups and service discovery. The impact ranges from man-in-the-middle attacks intercepting legitimate service calls to denial-of-service conditions that degrade application availability and data integrity.

Casky's 283 matched skills leverage Claude AI with extended reasoning to detect the attack patterns spanning MITRE tactics TA0004 (Privilege Escalation) and TA0006 (Credential Access). Practitioners using Casky would identify suspicious patterns including: unauthenticated IIOP bind requests to NameService endpoints, unexpected ORB registrations from untrusted sources, and JNDI lookup redirections pointing to anomalous network destinations. The platform's skill mapping correlates these indicators with specific attack techniques—such as exploitation of JNDI injection vectors and authentication bypass mechanisms—surfacing actionable findings that highlight where defensive controls (authentication enforcement, IIOP traffic inspection, JNDI whitelist validation) require immediate implementation.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

283 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-15563.

abusing-dpapi-for-credential-access

red teaming · high

Run

abusing-shadow-credentials-for-privesc

red teaming · high

Run

Access with Stolen Session Cookie

cryptography · low

Run

MITRE ATT&CK Techniques

TA0004 TA0006

Investigate the attack patterns behind CVE-2026-15563

Casky has 283 skills that investigate the attack patterns behind CVE-2026-15563. Run one and get CVSS-scored findings in 3 minutes.

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