Bug 2552022 (CVE-2026-84790)

Summary: CVE-2026-84790 openvpn: OpenVPN: User impersonation via crafted certificate subject field
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in OpenVPN. This vulnerability allows a remote authenticated attacker to impersonate other users by submitting a specially crafted certificate subject field during authentication. By assuming the identity of a different user, an attacker can gain unauthorized access to restricted network resources and data associated with that account.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2553630    
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Description OSIDB Bzimport 2026-10-13 21:58:21 UTC
OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field