Directory traversal vulnerability in JBoss Undertow 1.0.x before 1.0.17, 1.1.x before…
Priority MEDIUM 44CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
Directory traversal vulnerability in JBoss Undertow 1.0.x before 1.0.17, 1.1.x before 1.1.0.CR5, and 1.2.x before 1.2.0.Beta3, when running on Windows, allows remote attackers to read arbitrary files via a .. (dot dot) in a resource URI.
Why it matters now
EPSS 0.25082 97th percentileScored 2026-11-07
Fix Fixed io.undertow:undertow-core (Maven): 1.0.17, 1.1.0.CR5, 1.2.0.Beta3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | io.undertow:undertow-core (Maven) | 1.0.0 to before 1.0.17 | 1.0.17 | Patch available | GHSA-h6p6-fc4w-cqhx |
| — | io.undertow:undertow-core (Maven) | 1.1.0.Beta1 to before 1.1.0.CR5 | 1.1.0.CR5 | Patch available | GHSA-h6p6-fc4w-cqhx |
| — | io.undertow:undertow-core (Maven) | 1.2.0.Beta1 to before 1.2.0.Beta3 | 1.2.0.Beta3 | Patch available | GHSA-h6p6-fc4w-cqhx |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- io.undertow:undertow-core (Maven) Vendor— Affected 1.0.0 to before 1.0.17 Fixed in 1.0.17 Patch available GHSA-h6p6-fc4w-cqhx
- io.undertow:undertow-core (Maven) Vendor— Affected 1.1.0.Beta1 to before 1.1.0.CR5 Fixed in 1.1.0.CR5 Patch available GHSA-h6p6-fc4w-cqhx
- io.undertow:undertow-core (Maven) Vendor— Affected 1.2.0.Beta1 to before 1.2.0.Beta3 Fixed in 1.2.0.Beta3 Patch available GHSA-h6p6-fc4w-cqhx
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* | up to 1.0.16 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:undertow:*:cr4:*:*:*:*:*:* | up to 1.1.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:undertow:*:beta2:*:*:*:*:*:* | up to 1.2.0 | Vulnerable | Red Hat |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* Versions up to 1.0.16 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:undertow:*:cr4:*:*:*:*:*:* Versions up to 1.1.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:undertow:*:beta2:*:*:*:*:*:* Versions up to 1.2.0 Vulnerable ·Red Hat
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
- Fix · GHSA-h6p6-fc4w-cqhx io.undertow:undertow-core (Maven) Fixed in 1.0.17 Advisory →
- Fix · GHSA-h6p6-fc4w-cqhx io.undertow:undertow-core (Maven) Fixed in 1.1.0.CR5 Advisory →
- Fix · GHSA-h6p6-fc4w-cqhx io.undertow:undertow-core (Maven) Fixed in 1.2.0.Beta3 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2014-7816
- 2026-10-03 Alias added: GHSA-h6p6-fc4w-cqhx
References
Advisory 4
More Red Hat Undertow vulnerabilities
- TI-2025-11507 Undertow-core: undertow http server fails to reject malformed host headers leading to potential cache poisoning and ssrf CVSS 3.1CRITICAL 9.6
- TI-2020-01688 Improper authorization in undertow-io undertow CVSS 3.1CRITICAL 9.8
- TI-2019-02898 Sensitive information in log files in Red Hat undertow CVSS 3.1CRITICAL 9.8
- TI-2019-07532 Sensitive information in log files in Red Hat undertow CVSS 3.1CRITICAL 9.8
- TI-2023-03019 Undertow: outofmemoryerror due to @multipartconfig handling CVSS 3.1HIGH 7.5
- TI-2026-22645 Undertow: undertow: request smuggling via inconsistent header parsing CVSS 3.1CRITICAL 9.1
Sources
- CVE-2014-7816 · CVE Program
- CVE-2014-7816 · NVD
- FIRST EPSS
- GHSA-h6p6-fc4w-cqhx · GitHub Advisory Database · CC BY 4.0
- CVE-2014-7816 · Red Hat security data · CC BY 4.0
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