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CVE-2026-121489Apache Juneau: Path traversal in DirectoryResource allows reading files outside the configured root directory
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache Juneau. The microservice DirectoryResource does not keep request paths inside its configured root directory. When an application enables the resource's view, upload or delete settings (all off by default), a client can read, write or delete files outside the root, anywhere the server process has access. This issue affects Apache Juneau: through 9.2.0. Users are recommended to upgrade to version 9.2.1, which fixes the issue.
10.0 CRITICALEPSS 0.49%Not in KEVNVD: Deferred
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 10.0 | CRITICAL | 4.0apache (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
Details
- CVE ID
- CVE-2026-121489
- Status
- Deferred
- Assigner (CNA)
- apache
- Published
- Nov 5, 2026
- Last modified
- 2026-11-05 15:01 UTC
- Weaknesses
- CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
As published by the CNA in the CVE record.
Apache Software FoundationApache Juneau1 version range
- before 9.2.1
Apache Software FoundationApache Juneau1 version range
- before 9.2.1