Medium [CVE-2026-72814] Information Disclosure via relative path traversal
This medium-severity Red Hat Linux advisory covers CVE-2026-72814 affecting Red Hat OpenShift Update Service.
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Summary
The actix-files crate (actix_files) before version 0.6.10 contains an information exposure vulnerability. When a non-existing folder is passed as the serve_from argument to Files::new(), the mount path defaults to an empty path; the service then joins the request path with this empty path and canonicalizes it, causing Rust to resolve it as a relative path.
As a result, an attacker can request paths that resolve relative to the application's working directory and access unintended files. This allows an attacker to access unintended files, leading to information disclosure.
Red Hat OpenShift Update Service is affected by this vulnerability. Red Hat severity: Moderate — CVSS 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
Weakness: CWE-22. Red Hat does not currently list a fixing RHSA for this CVE.
- < 0.6.10
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
Mitigation checklist
- To mitigate this issue, ensure that any directory specified for the `serve_from` argument in applications utilizing the `actix-files` crate exists prior to application startup. This prevents the vulnerable condition where a non-existent path causes the service to default to an empty mount path, leading to unintended relative path traversal and information disclosure.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
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