Wheels 4.0.0 through 4.1.2 uses case-insensitive comparisons in path-containment checks on case-sensitive filesystems. Canonical-path checks for zip entries, package mappings, development assets/docs, guide images and image tags can accept paths through an existing symlink to a case-distinct sibling directory, allowing access outside the intended root, including limited file disclosure. Separately, the CLI database-dump output check can write outside the application root to an existing writable case-distinct sibling directory; that action requires the CLI POST, loopback and password gate. This is fixed in 4.2.0.

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Fixes

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History

Fri, 16 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Title Case‑Insensitive Path Comparison in Wheels Allows Limited File Disclosure

Fri, 16 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 16 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
Title Case‑Insensitive Path Comparison in Wheels Allows Limited File Disclosure

Fri, 16 Oct 2026 04:00:00 +0000

Type Values Removed Values Added
Description Wheels 4.0.0 through 4.1.2 uses case-insensitive comparisons in path-containment checks on case-sensitive filesystems. Canonical-path checks for zip entries, package mappings, development assets/docs, guide images and image tags can accept paths through an existing symlink to a case-distinct sibling directory, allowing access outside the intended root, including limited file disclosure. Separately, the CLI database-dump output check can write outside the application root to an existing writable case-distinct sibling directory; that action requires the CLI POST, loopback and password gate. This is fixed in 4.2.0.
Weaknesses CWE-178
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-16T15:00:16.100Z

Reserved: 2026-10-16T03:41:57.639Z

Link: CVE-2026-111448

cve-icon Vulnrichment

Updated: 2026-10-16T15:00:08.263Z

cve-icon NVD

Status : Deferred

Published: 2026-10-16T04:18:31.143

Modified: 2026-10-16T15:19:36.177

Link: CVE-2026-111448

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T16:45:14Z

Weaknesses