Medium [CVE-2026-81830] Security Bypass via incorrect file path validation
This medium-severity Red Hat Linux advisory covers CVE-2026-81830.
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Summary
A flaw was found in OpenVPN. The Windows interactive service in OpenVPN contains an incorrect file path validation vulnerability.
A local authenticated user could exploit this flaw to bypass the trusted configuration directory constraint, leading to a security bypass and potential integrity compromise. This Moderate vulnerability affects the Windows interactive service in OpenVPN, allowing local authenticated users to bypass trusted configuration directory constraints.
As this issue is specific to the Windows platform, it does not directly impact Red Hat products. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N).
Weakness: CWE-22.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 2 hours 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 · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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