CVE-2026-28707

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Privilege Escalation in LLM-on-Ray before 1.0

Publication date: 2026-08-11

Last updated on: 2026-08-12

Assigner: Intel Corporation

Description

Protection mechanism failure for some LLM-on-Ray before version 1.0 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires passive user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

CVSS Scores

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Meta Information

Published

2026-08-11

Last Modified

2026-08-12

Generated

2026-09-01

AI Q&A

2026-08-11

EPSS Evaluated

2026-08-30

NVD

CVE-2026-28707

EUVD

EUVD-2026-56524

Affected Vendors & Products

Vendor	Product	Version / Range
intel	llm-on-ray	to 1.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-693	The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Attack-Flow Graph

Executive Summary

This is a privilege escalation vulnerability in LLM-on-Ray before version 1.0. An unprivileged attacker with access to a privileged user account could exploit it through a low-complexity attack requiring local access and minimal user interaction. The flaw allows unauthorized elevation of privileges, potentially compromising system confidentiality, integrity, and availability.

Detection Guidance

This vulnerability requires local access with specific attack conditions and does not provide direct detection commands. Focus on monitoring for unusual privilege escalation attempts or unauthorized local access patterns in system logs.

Impact Analysis

If exploited, this vulnerability could allow an attacker to gain higher privileges on your system, potentially leading to unauthorized access, data breaches, or system control. The impact includes high risks to confidentiality, integrity, and availability of the affected system.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Failure to address it may result in legal penalties, reputational damage, and loss of trust due to compromised data confidentiality and integrity.

Mitigation Strategies

Update LLM-on-Ray to version 1.0 or later to address the protection mechanism failure. Ensure privileged user access is restricted and monitor for unusual local access attempts.

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