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  4. CVE 2026 114370 undertow undertow pathresourcemanager safepaths
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Back to active CVEs
Low · CVSS 3.7CVE-2026-114370

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

Answer in brief

CVE-2026-114370 records a Low severity (CVSS 3.7) vulnerability in Undertow: undertow: pathresourcemanager safepaths check allows sibling-directory symlink traversal. The current sources do not mark it as known exploited. The current feed maps Red Hat/jboss-eap-7/eap74-els-openjdk11-openshift-rhel8 (generic), Red Hat/jboss-eap-7/eap74-els-openjdk17-openshift-rhel8 (generic), Red Hat/jboss-eap-7/eap74-els-openjdk8-openshift-rhel8 (generic), Red Hat/undertow-servlet (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 21, 2026Updated Oct 21, 2026Source checked Oct 21, 2026First seen by HOL Oct 21, 2026Material review Oct 21, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 3.7
Exploitation
Not marked as known exploited
Affected software
4 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 3.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/jboss-eap-7/eap74-els-openjdk11-openshift-rhel8 (generic), Red Hat/jboss-eap-7/eap74-els-openjdk17-openshift-rhel8 (generic), Red Hat/jboss-eap-7/eap74-els-openjdk8-openshift-rhel8 (generic), Red Hat/undertow-servlet (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/jboss-eap-7/eap74-els-openjdk11-openshift-rhel8generic*Not reported
Red Hat/jboss-eap-7/eap74-els-openjdk17-openshift-rhel8generic*Not reported
Red Hat/jboss-eap-7/eap74-els-openjdk8-openshift-rhel8generic*Not reported
Red Hat/undertow-servletgeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/jboss-eap-7/eap74-els-openjdk11-openshift-rhel8, Red Hat/jboss-eap-7/eap74-els-openjdk17-openshift-rhel8, Red Hat/jboss-eap-7/eap74-els-openjdk8-openshift-rhel8.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 21, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Cisco Unified Communications Products Hardening Release: October 2026 - Path Traversal VulnerabilitiesAlso CWE-22

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-22
Source
CVE List V5
Source checked
Oct 21, 2026
References
2 linked sources
Open source record