CVE-2026-107466: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Red Hat Red Hat Enterprise Linux 10
Description
CVE-2026-107466 is a path traversal vulnerability in flatpak-builder on Red Hat Enterprise Linux 10. It allows an attacker to disclose sensitive host files by tricking a user or CI system into processing a crafted build manifest that bypasses directory confinement checks. This can lead to unauthorized reading of files accessible to the build process and their inclusion in build artifacts.
CVSS v3.1
Score 6.1medium
Affected software
Red Hat
Red Hat Enterprise Linux 10
Red Hat
Red Hat Enterprise Linux 8
Red Hat
Red Hat Enterprise Linux 9
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
A flaw in flatpak-builder on Red Hat Enterprise Linux 10 allows an attacker to cause information disclosure by specifying local file URIs within source download definitions in a crafted build manifest. This bypasses directory confinement checks, enabling the build process to read sensitive host files and incorporate them into build artifacts.
Potential Impact
The vulnerability enables unauthorized disclosure of sensitive host files accessible to the build process. This could expose confidential information to an attacker who convinces a user or CI system to process a malicious build manifest. There is no indication of integrity or availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-107466 for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-10-08T06:59:41.785Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-107466","vendor":"Red Hat"}]
Threat ID: 6ac74e7a2cdf04f656fcd57c
Added to database: 10/08/2026, 08:04:10 UTC
Last enriched: 10/08/2026, 08:18:18 UTC
Last updated: 10/08/2026, 08:19:04 UTC
Views: 3
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