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

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-114370

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-114370

Red Hat build of Apache Camel for Spring Boot 4

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
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Prerequisites
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Red Hat Enterprise Linux 8

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Red Hat Enterprise Linux 8

Source reference: /containers/cna/affected/2/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Red Hat Enterprise Linux 9

Source reference: /containers/cna/affected/3/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Red Hat Fuse 7

Source reference: /containers/cna/affected/4/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
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Red Hat JBoss Enterprise Application Platform 7

Source reference: /containers/cna/affected/5/product

Affected versions
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Fixed versions
Not stated in this record
Prerequisites
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Red Hat JBoss Enterprise Application Platform 7

Source reference: /containers/cna/affected/6/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Red Hat JBoss Enterprise Application Platform 7

Source reference: /containers/cna/affected/7/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Red Hat JBoss Enterprise Application Platform 7

Source reference: /containers/cna/affected/8/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Red Hat JBoss Enterprise Application Platform 8

Source reference: /containers/cna/affected/9/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Red Hat JBoss Enterprise Application Platform Expansion Pack

Source reference: /containers/cna/affected/10/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Red Hat Single Sign-On 7

Source reference: /containers/cna/affected/11/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "cpes": [
      "cpe:/a:redhat:camel_spring_boot:4"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat build of Apache Camel for Spring Boot 4",
    "packageName": "undertow-servlet",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "packageName": "pki-core:10.6/resteasy",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "packageName": "pki-deps:10.6/resteasy",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "packageName": "resteasy",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:/a:redhat:jboss_fuse:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Fuse 7",
    "packageName": "undertow-servlet",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 7",
    "packageName": "jboss-eap-7/eap74-els-openjdk11-openshift-rhel8",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 7",
    "packageName": "jboss-eap-7/eap74-els-openjdk17-openshift-rhel8",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 7",
    "packageName": "jboss-eap-7/eap74-els-openjdk8-openshift-rhel8",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 7",
    "packageName": "undertow-servlet",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:8"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 8",
    "packageName": "undertow-servlet",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:jbosseapxp"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
    "packageName": "undertow-servlet",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "defaultStatus": "unaffected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7",
    "packageName": "undertow-servlet",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-114370

Source reference: /cveMetadata/cveId

Publisher severity

low

Source reference: /containers/cna/metrics

Event
#49473 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2026-114370 · Revision 1Source updated