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3.7 Low

CVE-2026-114370 Undertow: undertow: pathresourcemanager safepaths check allows sibling-directory symlink traversal

Description

A flaw was found in the PathResourceManager component of the Undertow web server. This component is responsible for serving static files from the file system. The issue occurs because the mechanism used to verify if a symbolic link points to a safe location only checks if the target path starts with a specific string, without ensuring it matches a full directory name. This could allow an attacker to access files in a sibling directory if that directorys name starts with the same characters as an authorized safe directory.

CVSS 3.1 detail

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

Exploitable remotely over the network, without an account and without any user action; the impact on data or service is limited.

Attack vector
Network
Attack complexity
High
Privileges required
None
Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Affected products and versions

Product Affected versions Fixed in
Red Hat build of Apache Camel for Spring Boot 4 Versions not published
Red Hat Enterprise Linux 8 Versions not published
Red Hat Enterprise Linux 9 Versions not published
Red Hat Fuse 7 Versions not published
Red Hat JBoss Enterprise Application Platform 7 Versions not published
Red Hat JBoss Enterprise Application Platform 8 Versions not published
Red Hat JBoss Enterprise Application Platform Expansion Pack Versions not published
Red Hat Single Sign-On 7 Versions not published
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