
CVE catalog
CVE-2026-114370
UBUNTU-CVE-2026-114370
- Severity
- Unknown · CVSS 3.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.32% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | undertow | 14 | 1.3.11-1 | vulnerable |
| Debian | undertow | 14 | 1.3.16-1 | vulnerable |
| Debian | undertow | 14 | 1.3.19-1 | vulnerable |
| Debian | undertow | 14 | 1.3.21-1 | vulnerable |
| Debian | undertow | 14 | 1.3.23-1 | vulnerable |
| Debian | undertow | 14 | 1.3.4-1 | vulnerable |
| Debian | undertow | 14 | 1.3.5-1 | vulnerable |
| Debian | undertow | 14 | 1.3.7-1 | vulnerable |
| Debian | undertow | 14 | 1.4.0-1 | vulnerable |
| Debian | undertow | 14 | 1.4.1-1 | vulnerable |
| Debian | undertow | 14 | 1.4.18-1 | vulnerable |
| Debian | undertow | 14 | 1.4.20-1 | vulnerable |
| Debian | undertow | 14 | 1.4.21-1 | vulnerable |
| Debian | undertow | 14 | 1.4.21-2 | vulnerable |
| Debian | undertow | 14 | 1.4.22-1 | vulnerable |
| Debian | undertow | 14 | 1.4.23-1 | vulnerable |
| Debian | undertow | 14 | 1.4.23-2 | vulnerable |
| Debian | undertow | 14 | 1.4.23-3 | vulnerable |
| Debian | undertow | 14 | 1.4.25-1 | vulnerable |
| Debian | undertow | 14 | 1.4.25-2 | vulnerable |
| Debian | undertow | 14 | 1.4.3-1 | vulnerable |
| Debian | undertow | 14 | 1.4.4-1 | vulnerable |
| Debian | undertow | 14 | 1.4.6-1 | vulnerable |
| Debian | undertow | 14 | 1.4.7-1 | vulnerable |
| Debian | undertow | 14 | 1.4.8-1 | vulnerable |
| Debian | undertow | 14 | 2.0.23-1 | vulnerable |
| Debian | undertow | 14 | 2.0.25-1 | vulnerable |
| Debian | undertow | 14 | 2.0.26-1 | vulnerable |
| Debian | undertow | 14 | 2.0.27-1 | vulnerable |
| Debian | undertow | 14 | 2.0.28-1 | vulnerable |
| Debian | undertow | 14 | 2.0.29-1 | vulnerable |
| Debian | undertow | 14 | 2.0.30-1 | vulnerable |
| Debian | undertow | 14 | 2.1.0-1 | vulnerable |
| Debian | undertow | 14 | 2.1.1-1 | vulnerable |
| Debian | undertow | 14 | 2.1.3-1 | vulnerable |
| Debian | undertow | 14 | 2.2.0-1 | vulnerable |
| Debian | undertow | 14 | 2.2.10-1 | vulnerable |
| Debian | undertow | 14 | 2.2.12-1 | vulnerable |
| Debian | undertow | 14 | 2.2.13-1 | vulnerable |
| Debian | undertow | 14 | 2.2.14-1 | vulnerable |
| Debian | undertow | 14 | 2.2.16-1 | vulnerable |
| Debian | undertow | 14 | 2.2.17-1 | vulnerable |
| Debian | undertow | 14 | 2.2.18-1 | vulnerable |
| Debian | undertow | 14 | 2.2.19-1 | vulnerable |
| Debian | undertow | 14 | 2.2.2-1 | vulnerable |
| Debian | undertow | 14 | 2.2.20-1 | vulnerable |
| Debian | undertow | 14 | 2.2.21-1 | vulnerable |
| Debian | undertow | 14 | 2.2.3-1 | vulnerable |
| Debian | undertow | 14 | 2.2.4-1 | vulnerable |
| Debian | undertow | 14 | 2.2.5-1 | vulnerable |
| Debian | undertow | 14 | 2.2.8-1 | vulnerable |
| Debian | undertow | 14 | 2.3.18-1 | vulnerable |
| Debian | undertow | 14 | 2.3.18-2 | vulnerable |
| Debian | undertow | 14 | 2.3.20-1 | vulnerable |
| Debian | undertow | 14 | 2.3.8-1 | vulnerable |
| Debian | undertow | 14 | 2.3.8-2 | vulnerable |
| Ubuntu | undertow | pro | 2.3.8-2 | vulnerable |
| Ubuntu | undertow | pro | 2.3.8-2ubuntu0.1~esm1 | vulnerable |
| Ubuntu | undertow | 26.10 | 2.3.20-1ubuntu1 | vulnerable |
| Ubuntu | undertow | 26.04 | 2.3.18-2 | vulnerable |
| Ubuntu | undertow | 26.04 | 2.3.20-1 | vulnerable |
| Ubuntu | undertow | 26.04 | 2.3.20-1ubuntu1 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: